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Lenovo Essential B575e

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1. 100 C 212 F LCD LCD un 15 DE gt NEAT NETA gt 2218 Ajo 18 Hardware Maintenance Manual FRU gt BREE Laser compliance statement multilingual translations The laser compliance statements in this section are pro
2. Le FRU Chapter 1 Safety information 7 PERIGO Antes de ligar o computador ap s a substituic o da FRU certifique se de que todos os parafusos molas e outras pecas pequenas estejam no lugar e n o estejam soltos dentro do computador Verifique isso sacudindo o computador e procurando ouvir sons de pecas soltas Pecas met licas ou lascas de metal podem causar curto circuito A PERIGO Algumas baterias reserva cont m uma pequena quantidade de n quel e c dmio N o desmonte uma bateria reserva recarregue a jogue a no fogo ou na gua ou deixe a entrar em curto circuito Descarte a bateria conforme requerido pelas leis ou regulamento
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5. Nam Chapter 1 Safety information 13 Aris eee
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9. Arn Nam EM EVOKE amp 14 Hardware Maintenance Manual Nam FRU nn NN een u PSA UML OS ss FRUS wea el Ae FEO SHE EX JAIPAL ANS 55 FF rEg 291 EUT HE wil Es EF AAT 4941714 PF BE Tas WENO Wi SS SHEA FE Me q 410 24599 NSU e PANS ASU a ME ssrA 100C 212F EN SAA HAA ere SHS 143 a 7 AAAH Chapter 1 Safety information 5 LCD7 JS LCD AFA 437 gt EN AU 5 E EE 15 94 Ror AL AL Fo xr AA AA ALL opor FU A 373 ABS RAJAA ANA AEA of ey Y AAA BPAY A 1231104399 AGS AIT 4H AU AA AFA dA Sas 4 FRU 33 A Hot Swaps A AIX SE 3 ASS LX 37 AEAN AN EE ANES BAAN ano Antes de encender el sis
10. Las A Class 3A Class 3B 20 Hardware Maintenance Manual CUIDADO Quando produtos a laser como CD ROMs unidades de DVD dispositivos de fibra tica ou transmissores estao instalados observe o seguinte e N o remova as tampas A remo o das tampas do produto a laser pode resultar em exposi o prejudicial radia o de laser N o h pe as que permitam manuten o no interior do dispositivo e A utiliza o de controles ou ajustes ou a execu o de procedimentos diferentes daqueles especificados aqui pode resultar em exposi o perigosa radia o A perco Algumas produtos a laser cont m um diodo de laser Classe 3A ou Classe 3B integrado Observe o seguinte Radia o a laser quando aberta N o olhe diretamente para o feixe a olho nu ou com instrumentos ticos e evite exposi o direta ao feixe Chapter 1 Safety information 21 A ATTENTION Si des produits laser tels que des unit s de CD DVD a fibre optique ou des metteurs sont
11. Cross section e Logic card to plastic Turn an additional 180 degrees after the screw head touches the surface of the logic card 180 degrees more Cross section e Torque driver If you have a torque screwdriver refer to the Torque column in the screw information table for each step e Ensure that you use the correct screw It is recommended to use new screws for replacements If you have a torque screwdriver tighten all screws firmly to the torque specified in the screw information table for each step e Ensure that torque screw drivers are calibrated correctly following country specifications Copyright Lenovo 2012 41 42 Hardware Maintenance Manual Chapter 7 Removing and replacing a FRU This chapter presents directions and drawings for use in removing and replacing a FRU Be sure to observe the following general rules 1 Do not try to service any computer unless you have been trained and certified An untrained person runs the risk of damaging parts 2 Before replacing any FRU review Chapter 6 FRU replacement notices on page 41 3 Begin by removing any FRUs that have to be removed before replacing the failing FRU Any such FRUs are listed at the beginning of each FRU replacement procedure Remove them in the order in which they are listed 4 Follow the correct sequence in the steps for removing a FRU as given in the drawings by the numbers in
12. Akkus enthalten geringe Mengen von Nickel Sie d rfen nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren A VORSICHT Die Systembatterie ist eine Lithiumbatterie Sie kann sich entz nden explodieren oder schwere Verbrennungen hervorrufen Batterien dieses Typs d rfen nicht aufgeladen zerlegt ber 100 C erhitzt oder verbrannt werden Auch darf ihr Inhalt nicht mit Wasser in Verbindung gebracht oder der zur richtigen Polung angebrachte Verbindungsstecker entfernt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren A VORSICHT Die Leuchtstoffr hre im LCD Bildschirm enth lt Quecksilber Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Der LCD Bildschirm besteht aus Glas und kann zerbrechen wenn er unsachgem behandelt wird oder der Computer auf den Boden f llt Wenn der Bildschirm besch digt ist und die darin befindliche Fl ssigkeit in Kontakt mit Haut und Augen ger t sollten die betroffenen Stellen m
13. Attention Be careful not to damage the connector Attention Do not handle the thermal fan assembly roughly Improper handling can cause distortion or deformation and imperfect contact with components When installing Before you attach the thermal fan assembly to the computer apply thermal grease at an amount of 0 2 grams on the part marked EJ as shown in the above illustration Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component 1160 Speaker assembly For access remove these FRUs in order 1010 Battery pack on page 43 1020 Bottom slot cover on page 44 1030 Hard disk drive on page 45 1040 Optical drive on page 46 1050 Memory modules on page 47 1060 PCI Express Mini Card for wireless LAN on page 48 1070 Backup battery on page 50 1080 Keyboard on page 51 1090 Keyboard bezel on page 54 1130 System board assembly on page 63 1140 LCD unit on page 65 Chapter 7 Removing and replacing a FRU 9 Removal steps of speaker assembly Remove the screws Then remove the speaker assembly EX Step Screw quantity Torque M2 x 5 mm flat head nylon coated 4 4 0 kgfcm 1170 DC in sub card and base cover For access remove these FRUs in order 1010 Battery pack on page 43 1020 Bottom slot cover on page 44 1030 Hard disk drive on page 45 1040 Optical drive on
14. Removal steps of LCD cable Peel off the adhesive tape and detach the connector When installing Make sure that the connector is attached firmly 2040 Antenna assembly For access remove these FRUs in order 1010 Battery pack on page 43 1020 Bottom slot cover on page 44 1080 Keyboard on page 51 1090 Keyboard bezel on page 54 1130 System board assembly on page 63 1140 LCD unit on page 65 2010 LCD front bezel on page 72 2030 LCD panel LCD cable and hinges on page 74 Removal steps of antenna assembly Detach the antennas in the direction shown by the arrows 76 Hardware Maintenance Manual Release the antenna cables from the cable guides of the LCD rear cover assembly and from the hinges in the direction shown by the arrows 1 Cable routing Route the antenna cables along the cable guides and secure the antenna boards with tapes As you route the cables make sure that they are not subject to any tension Tension could cause the cables to be damaged by the cable guides or a wire to be broken Chapter 7 Removing and replacing a FRU 77 78 Hardware Maintenance Manual Chapter 8 Locations This chapter introduces the locations of the computer hardware components Front view Figure 1 Lenovo B575e front view Integrated camera on some models EZ Microphone jack E Wireless antennas on some models Headphone jack El Status indicators Media card read
15. Torque M2 x 5 mm flat head nylon coated 4 1 6 kgfcm When installing e Route the antenna cables along the cable guides As you route the cables make sure that they are not subject to any tension Tension could cause the cables to be damaged by the cable guides or a wire to be broken e Make sure that the LCD connector is attached firmly and make sure that you eedo not pinch the antenna cables when you attach the LCD assembly Route the LCD cable along the cable guides 66 Hardware Maintenance Manual Remove the LCD unit in the direction shown by the arrow EX Chapter 7 Removing and replacing a FRU 7 1150 Thermal fan assembly For access remove these FRUs in order 1010 Battery pack on page 43 1020 Bottom slot cover on page 44 1030 Hard disk drive on page 45 1040 Optical drive on page 46 1050 Memory modules on page 47 1060 PCI Express Mini Card for wireless LAN on page 48 1070 Backup battery on page 50 1080 Keyboard on page 51 1090 Keyboard bezel on page 54 1130 System board assembly on page 63 1140 LCD unit on page 65 Removal steps of thermal fan assembly Detach the connector in the direction shown by the arrow When installing Make sure that the connector is attached firmly Loosen the screws PP to EL but do not remove them 68 Hardware Maintenance Manual Lift the thermal fan assembly in the direction shown by the arrow EL
16. You can designate where the OneKey Recovery Pro program stores the backup After you have backed up the contents on the hard disk drive you can restore the complete contents of the hard disk drive restore only the selected files or restore only the Windows operating system and applications Restoring factory contents using the Product Recovery program On the Windows 7 operating system you can use recovery media to restore the computer settings to the factory contents only Attention When you use the Product Recovery program to restore the computer settings all the data you have stored on the hard disk drive will be deleted and the computer settings will be restored to the factory contents During the restoring process you will be given the option to save one or more files currently on the hard disk drive to other media before the data is deleted Passwords As many as two passwords might be needed for a Lenovo notebook computer the power on password the hard disk password and the supervisor password If any of these passwords has been set a prompt for it will be displayed on the screen whenever the computer is turned on The computer does not start until the password is entered Note If only a supervisor password is set the password prompt will not be displayed when the operating system is started Power on password A power on password POP protects the system from being powered on by an unauthorized person The password mu
17. e Replace the system board e lf the problem persists go to Chapter 5 Lenovo B575e on page 37 30 Hardware Maintenance Manual Note Noise from the ac power adapter does not always indicate a defect Checking operational charging To check whether the battery charges properly during operation use a discharged battery pack or a battery pack that has less than 50 of the total power remaining when installed in the computer Perform operational charging If the battery status indicator or icon does not turn on remove the battery pack and let it return to room temperature Reinstall the battery pack If the charge indicator or icon still does not turn on replace the battery pack If the charge indicator still does not turn on replace the system board Then reinstall the battery pack If it is still not charged go to the next section Checking the battery pack Battery charging does not start until the power meter shows that less than 95 of the total power remains under this condition the battery pack can charge to 100 of its capacity This protects the battery pack from being overcharged or from having a shortened life To check your battery move your cursor to the power meter icon in the icon tray of the Windows taskbar and wait for a moment but do not click it and the percentage of battery power remaining is displayed To get detailed information about the battery double click the power meter icon Note If the batt
18. 1600 4GB Hynix HMT351S6CFR8C PB DDR3 1600 4GB 12 RAM DDRII 1600 4GB Ramaxel RMT3160ED58E9W 1600 DDR3 1600 5 13 LB575B MB UMA E 300 1 36 W U3 HDMI 13 LB575B MB UMA E2 1800 1 7G W U3 HDMI 4 LB575B Power Board 15 Keyboard see Keyboard on page 85 1 ac power adapter see ac power adapters on page 88 EN LB57 TOUCHPAD BRACKET ES LA57 TOUCHPAD CABLE LCD FRUs A 14 inch high definition HD TFT LCD is used in Lenovo B575e models See the table below 84 Hardware Maintenance Manual Table 4 Parts list LCD TE 777 Pane 156 HD Wedge Glogsy SE LGA 6 Pane 156 HO Wedge GiossyLEDLPTSSWHLTINT 6 rane 158 HO Wedge ciosy 0096070 feos AUO GOR Panel 15 6 HO Wedge 6 fio Panel 15 6 HO Wedge Panel 158 HD Wedge A Ge 00000156660 0 rane 156 HO wegeeAmwrGetGprpisgwttPh 0 eo CE Keyboard Table 5 Parts list Keyboard Dafon Language Arabic 25204626 Belgian 25204634 Brazilian Portuguese 25204627 Bulgarian 25204640 French English 25204620 Czech Slovak 25204639 C amp Nordics 25204633 Dutch 25204629 French 25204624 German 25204625 Greek 25204630 Hebrew 25204631 Hungarian 25204632 Icelandic 25204635 Indian 25204641 Italian 25204614 Chapter 9 Parts list 85 Table 5 Parts list Keyboard Dafon continued gg Table 6 Parts list Keyboard Sunrex Language rune 86 Hardware Mainten
19. Keyboard bezel on page 54 1130 System board assembly on page 63 1140 LCD unit on page 65 2010 LCD front bezel on page 72 Removal steps of integrated camera Remove the integrated camera from the LCD cover as shown in the following illustration Note The integrated camera is stuck on the top center of the LCD cover When installing Stick the integrated camera to the top center of the LCD cover and adjust the placement to make sure that the connector is attached firmly 2030 LCD panel LCD cable and hinges For access remove these FRUs in order 1010 Battery pack on page 43 1020 Bottom slot cover on page 44 1080 Keyboard on page 51 1090 Keyboard bezel on page 54 1130 System board assembly on page 63 1140 LCD unit on page 65 2010 LCD front bezel on page 72 74 Hardware Maintenance Manual Removal steps of LCD panel and hinges Disconnect the integrated camera connector in the direction shown by the arrow Remove the screws 1 Then lift the LCD panel in the direction shown by the arrow EL Step Screw quantity Torque M2 x 3 mm flat head nylon coated 6 1 6 kgfcm When installing Make sure that the connector is attached firmly Remove the screws Ff and then remove the hinges in the direction shown by the arrows 1 Step Screw quantity Torque M2 x 3 mm flat head nylon coated 4 1 6 kgfcm Chapter 7 Removing and replacing a FRU 75
20. Power cords Appendix A Notices Electronic emissions notices Trademarks 19 27 27 28 28 28 29 29 30 30 31 31 33 33 33 33 33 34 34 34 34 37 37 38 39 Contents About this manual Chapter 1 Safety information General safety Electrical safety Safety inspection guide Handling devices that are sensitive to Sjectiostatic discharge Grounding requirements Safety notices multilingual Laser compliance statement multilingual translations Chapter 2 Important service information Strategy for replacing FRUS Strategy for replacing a hard disk die Important notice for replacing a system board Important information bout replacing RoHS compliant FRUs ro an lo Le Chapter 3 General checkout What to do first Power system checkout Checking the ac power adapter Checking operational charging Checking the battery pack Chapter 4 Related service information a Recovering the computer settings Passwords oe Power on password Supervisor password Power management Screen blank mode Sleep mode Hibernation mode Chapter 5 Lenovo B575e Specifications Status indicators Fn key combinations Copyright Lenovo 2012 Hardware Maintenance Manual About this manual This manual provides service and reference information for the following Lenovo products Lenovo B575e 3685
21. Screw quantity Torque M3 x 2 8 mm flat head nylon coated 4 4 kgfcm Remove the hard disk drive bracket in the direction shown by the arrow EX 1040 Optical drive For access remove these FRUs in order e 1010 Battery pack on page 43 e 1020 Bottom slot cover on page 44 Removal steps of the optical drive Remove the screw insert a screwdriver into the screw hole and push the optical drive in the direction shown by the arrow Ed Pull the optical drive out 46 Hardware Maintenance Manual Step Screw quantity Torque M2 x 3 mm flat head nylon coated 1 1 6 kgfcm Insert a screwdriver into the screw hole and push the optical drive Pull the optical drive out 1050 Memory modules For access remove these FRUs in order e 1010 Battery pack on page 43 e 1020 Bottom slot cover on page 44 Chapter 7 Removing and replacing a FRU 47 Removal steps of memory modules Release the two latches on both edges of the socket at the same time in the direction shown by the arrows and then unplug the DIMM in the direction shown by the arrow EX Note If only one memory module is used on the computer you are servicing the card must be installed in SLOT 0 EE lower slot but not in SLOT 1 EE upper slot sb When installing Insert the notched end of the memory module into the socket Press the memory module firmly and pivot it unt
22. install s lisez les informations suivantes e Ne retirez pas les carters En ouvrant le produit laser vous vous exposez au rayonnement dangereux du laser Aucune pi ce de l unit n est r parable e Pour viter tout risque d exposition au rayon laser respectez les consignes de r glage et d utilisation des commandes ainsi que les proc dures d crites dans le pr sent manuel DANGER Certains produits laser contiennent une diode laser int gr e de classe 3A ou 3B Prenez connaissance des informations suivantes Rayonnement laser lorsque le carter est ouvert Evitez toute exposition directe au rayon laser Evitez de regarder fixement le faisceau ou de l observer l aide d instruments optiques 22 Hardware Maintenance Manual A Vorsicht Bei der Installation von Laserger ten wie CD ROM Laufwerken DVD Laufwerken Einheiten mit Lichtwellenleitertechnik oder Sendern Folgendes beachten Die Abdeckungen nicht entfernen Durch Entfernen der Abdeckungen des Laserger ts k nnen gef hrliche Laserstrahlungen freigesetzt werden Das Ger t enth lt keine zu wartenden Teile Werden Steuerelemente Einstellungen oder Durchf hrungen von Prozeduren anders als hier angegeben verwendet kann gef hrliche Laserstrahlung auftreten Einige Lasergerate enthalten eine Laserdiode der Klasse 3A oder 3B Beachten Sie Folgendes Laserstrahlung bei ge ffneter Verkleidung Nicht in den Strahl blicken Keine Lupe
23. l eau Ne la mettez pas en court circuit Pour la mettre au rebut conformez vous la r glementation en vigueur Lorsque vous remplacez la batterie veillez n utiliser que les mod les cit s dans la liste de pi ces d tach es ad quate En effet une batterie inappropri e risque de prendre feu ou d exploser Chapter 1 Safety information 9 A DANGER La pile de sauvegarde contient du lithium Elle pr sente des risques d incendie d explosion ou de br lures graves Ne la rechargez pas ne retirez pas son connecteur polaris et ne la d montez pas Ne l exposez pas a une temperature sup rieure a 100 C ne la faites pas br ler et n en exposez pas le contenu l eau Mettez la pile au rebut conform ment a la r glementation en vigueur Une pile inappropri e risque de prendre feu ou d exploser A DANGER Si le panneau d affichage a cristaux liquides se brise et que vous recevez dans les yeux ou sur les mains une partie du fluide rincez les abondamment pendant au moins quinze minutes Consultez un m decin si des sympt mes persistent apres le lavage A DANGER Afin d viter tout risque de choc lectrique ne retirez pas le cache en plastique prot geant la partie inf rieure de la carte d alimentation A DANGER Bien que le voltage des batteries principales soit peu lev le court circuit ou la mise a la masse d une batterie peut produire suffisamment de courant pour br ler des mat riaux combu
24. or dropped Power system checkout To verify a symptom do the following Turn off the computer Remove the battery pack Connect the ac power adapter Check that power is supplied when you turn on the computer Turn off the computer Disconnect the ac power adapter and install the charged battery pack Check that the battery pack supplies power when you turn on the computer NN O O1 If you suspect a power problem see the appropriate one of the following power supply checkouts e Checking the ac power adapter on page 30 e Checking operational charging on page 31 e Checking the battery pack on page 31 Checking the ac power adapter You are here because the computer fails only when the ac power adapter is used e f the power on indicator does not turn on check the power cord of the ac power adapter for correct continuity and installation e f the computer does not charge during operation go to Checking operational charging on page 31 To check the ac power adapter do the following 1 Unplug the ac power adapter cable from the computer 2 Measure the output voltage at the plug of the ac power adapter cable See the following figure Pin Voltage V dc Note Output voltage of pin no 2 of the ac power adapter may different from the one you are servicing 3 If the voltage is not correct replace the ac power adapter 4 If the voltage is acceptable do the following
25. page 46 1050 Memory modules on page 47 1060 PCI Express Mini Card for wireless LAN on page 48 1070 Backup battery on page 50 1080 Keyboard on page 51 1090 Keyboard bezel on page 54 1130 System board assembly on page 63 1140 LCD unit on page 65 70 Hardware Maintenance Manual Removal steps of DC in sub card Remove the screws Fl and then remove the DC in sub card in the direction shown by the arrow EX Step Screw quantity Torque M2 x 3 mm flat head nylon coated 2 1 85 kgfcm Chapter 7 Removing and replacing a FRU 71 Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds If the Windows Certificate of Authentication label COA is attached to a part that is replaced return the old part with the label attached to the customer or provide a letter to the customer stating what the label was originally on the system and what the label part number serial number and product key were The following labels need to be peeled off from the old base cover and need to be put on the new base cover El Wistron label Indonesia D side label Indonesia WLAN and Bluetooth label EI Brazil Bluetooth label or Bluetooth label for US CA TW Ff Indonesia WLAN and Bluetooth label WWAN IMEI barcode label El Brazil WLAN label or WLAN label for US CA TW El Malaysia SIRIM label El Brazil WLAN label or WLAN label for US CA TW PPT label Is
26. square callouts 5 When turning a screw turn it in the direction as given by the arrow in the drawing 6 When removing a FRU move it in the direction as given by the arrow in the drawing 7 To put the new FRU in place reverse the removal procedure and follow any notes that pertain to replacement For information about connecting and arranging internal cables see Chapter 8 Locations on page 79 8 When replacing a FRU use the correct screw s as shown in the replacement procedures Before removing any FRU turn off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any interconnecting cables Attention After replacing a FRU do not turn on the computer until you have made sure that all screws springs and other small parts are in place and none are loose inside the computer Verify this by shaking the computer gently and listening for rattling sounds Metallic parts or metal flakes can cause electrical short circuits Attention The system board is sensitive to and can be damaged by electrostatic discharge Before touching it establish personal grounding by touching a ground point with one hand or by using an electrostatic discharge ESD strap P N 6405959 1010 Battery pack Removal steps of battery pack y nanoen Use only the battery specified in the parts list for your computer Any other battery could ignite or explode O Copyright Lenovo 2012 43 Unlo
27. status of the computer LSS LESS gt ESSE 5 o INI NR Table 1 Status indicators Caps lock indicator White Caps lock mode is enabled You can enter all alphabetic characters A Z in uppercase without pressing the Shift key To enable or disable Caps lock mode press the Caps lock key CapsLk Numeric lock White The separate numeric keypad on the keyboard is enabled To enable or disable indicator the numeric keypad press the numeric lock key NmLk Device access On The hard disk drive or optical drive is reading or writing data status indicator Attention e When the indicator is on do not put the computer into sleep mode or turn off the computer When the indicator is on do not move the computer Sudden physical shock could cause drive errors Power on indicator White System is enabled Blinking white System is in sleep mode Off System is in hibernate mode or shut down 38 Hardware Maintenance Manual Table 1 Status indicators continued Blinking orange 500ms off 1s on The remaining power of the battery is less than 5 of its capacity Blinking orange 100ms off 3 2s on The battery is being charged with the remaining power between 5 and 20 of its capacity Orange The computer is operating on battery power with the remaining power between 5 and 20 of its capacity Blinking white The battery is being charged with the remaining power
28. system use an ESD common ground or reference point You can use coax or connector outside shells on these systems Use the round ground prong of the ac plug on ac operated computers Grounding requirements Electrical grounding of the computer is required for operator safety and correct system function Proper grounding of the electrical outlet can be verified by a certified electrician Safety notices multilingual translations The safety notices in this section are provided in the following languages English Arabic Brazilian Portuguese French German Hebrew Japanese Korean Spanish Traditional Chinese A DANGER Before the computer is powered on after FRU replacement make sure that all screws springs and other small parts are in place and are not left loose inside the computer Verify this by shaking the computer and listening for rattling sounds Metallic parts or metal flakes can cause electrical short circuits A DANGER 4 Hardware Maintenance Manual Some standby batteries contain a small amount of nickel and cadmium Do not disassemble a standby battery recharge it throw it into fire or water or short circuit it Dispose of the battery as required by local ordinances or regulations Use only the battery in the appropriate parts listing Use of an incorrect battery can result in ignition or explosion of the battery A DANGER The battery pack contains small amounts of nickel Do no
29. these patents You can send license inquiries in writing to Lenovo United States Inc 1009 Think Place Building One Morrisville NC 27560 U S A Attention Lenovo Director of Licensing LENOVO PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF NON INFRINGEMENT MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some jurisdictions do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you This information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information contained in this document does not affect or change Lenovo product specifications or warranties Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo or third parties All information contained in this document was obtained in specific environments and is presented as an
30. 20189 Use this manual to troubleshoot problems The manual is divided into the following sections e The common sections provide general information guidelines and safety information required for servicing computers e The product specific sections include service reference and product specific parts information Important e This manual is intended only for trained service technicians who are familiar with Lenovo products Use this manual to troubleshoot problems effectively Before servicing a Lenovo product be sure to read all the information under Chapter 1 Safety information on page 1 and Chapter 2 Important service information on page 27 Copyright Lenovo 2012 iii iv Hardware Maintenance Manual Chapter 1 Safety information This chapter presents the following safety information that you need to be familiar with before you service a Lenovo notebook computer General safety on page 1 Electrical safety on page 2 Safety inspection guide on page 3 Handling devices that are sensitive to electrostatic discharge on page 3 Grounding requirements on page 4 Safety notices multilingual translations on page 4 Laser compliance statement multilingual translations on page 19 General safety Follow these rules to ensure general safety Observe good housekeeping in the area of the machines during and after maintenance When lifting any heavy object Make su
31. 8 Sanyo LO9S6Y02 3522 48Wh bty LH Comm01 EU lable No 90201316 82 Hardware Maintenance Manual Table 3 Parts list Overall continued No FRU veal Je Battery 2200mA 6cell 48Wh 3S2P SMP LG L09M6Y02 3S2P 48Wh bty LH Comm01 121001094 4 Battery 2200mA 6cell 48Wh 3S2P SMP LG L09M6Y02 3S2P 48Wh bty LH Comm01 EU lable 121500091 4 Battery 2200mA 6cell 48Wh 3S2P Celx S L10C6Y02 3S2P 48Wh bty LH Comm01 121001071 DECI E s LBL Lower Case WDC weas or ODD 12 7mm Tray in Rambo TSST SN 208AB 25201108 ODD 12 7mm Tray in Rambo PSN PSN UJ8C1 25201499 WLAN Non Intel 1x1 11bgn BT4 0 Combo Broadcom 4313 20702 20200100 20200101 6 WLAN nominal 1x1 11bgn Broadcom 801045131860100 20 WLAN Nortel 11bn Realtek bgn 1x1 HMG WLAN Stockton aoeooe egysm logowawesps E 11 HDD 320G 5400rpm Toshiba Capricorn BS H6sp Toshiba MK3265GSX 5400RPM 320G 16200097 1 HDD 500G 5400rpm Toshiba Capricorn BS H6sp Toshiba MK5065GSX 5400RPM 500G 16200098 1 11 HDD 500G 5400rpm Seagate M8 Seagate M9 5 5400 500G 16200210 11 HDD 320G 7200rpm Toshiba Capricorn CS H6sp TSB MK3261GSY 7200PRM 9 5mm 320G HDD 16200099 11 HDD 500G 7200rpm Toshiba Capricorn CS H6sp TSB MK5061GSY 7200PRM 9 5mm 500G HDD 16200100 Chapter 9 Parts list 83 11200341 Table 3 Parts list Overall continued FRU Overall 12 RAM DDRIII 1600 4GB Samsung M471B5273DH0 CK0 DDR3 1600 4GB RAM DDRII
32. Examples of these hazards are moist floors nongrounded power extension cables power surges and missing safety grounds Do not touch live electrical circuits with the reflective surface of a plastic dental mirror The surface is conductive such touching can cause personal injury and machine damage Do not service the following parts with the power on when they are removed from their normal operating places in a machine Power supply units Pumps Blowers and fans Motor generators Similar units to listed above This practice ensures correct grounding of the units e f an electrical accident occurs 2 Hardware Maintenance Manual Use caution do not become a victim yourself Switch off power Send another person to get medical aid Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions As each machine was designed and built required safety items were installed to protect users and service technicians from injury This guide addresses only those items You should use good judgment to identify potential safety hazards due to attachment of non Lenovo features or options not covered by this inspection guide If any unsafe conditions are present you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem Consider these conditions and the safety hazards they present e Elec
33. Hard disk drive on page 45 e 1040 Optical drive on page 46 Chapter 7 Removing and replacing a FRU 9 1050 Memory modules on page 7 1060 PCI Express Mini Card for wireless LAN on page 48 1070 Backup battery on page 50 1080 Keyboard on page 51 1090 Keyboard bezel on page 54 Removal steps of I O board Remove the screw and then detach the cable Step Screw quantity Torque M2 x 5 mm flat head nylon coated 1 1 85 kgfcm When installing Make sure that the cable is attached firmly to the system board 60 Hardware Maintenance Manual Chapter 7 Removing and replacing a FRU 61 Remove the I O board EJ Removal steps of RJ45 Ethernet board Remove the screws EE and then detach the cable Step Screw quantity Torque M2 x 5 mm flat head nylon coated 2 1 85 kgfcm When installing Make sure that the cable is attached firmly to the system board 62 Hardware Maintenance Manual Remove the RJ45 Ethernet board 1 Important notices for handling the system board When handling the system board bear the following in mind Be careful not to drop the system board on a bench top that has a hard surface such as metal wood or composite Avoid rough handling of any kind At every point in the process be sure not to drop or stack the system board If you put a system board down be sure to put it only on a padded surface such as an ESD mat or a corrugated Ch
34. LS 18 1 m Australia New Zealand e Longwell LP 23A LFC 3R LS 18 1 m Brazil e Longwell LP 46 H03VV F LS 18 1 m CE Longwell LP 34A H03VV F LS 18 1 m 145000568 145000566 145000560 145000563 145000559 145000555 145000558 145000554 145000565 145000556 145000561 145000562 145000528 145000532 145000525 145000538 145000527 Table 12 Parts list 3 pin power cords Longwell continued Country or region China Longwell LSG 31 RVV300 300 LS 18 1 m Denmark e Longwell LP 40 HO3VV F LS 18 1 m Indian Longwell LP 67 BIS LS 18 1 Israel e Longwell LP 41 HO3VV F LS 18 1 m Italy e Longwell LP 22 HO3VV F LS 18 1 m Japan e Longwell LP 54 VCTF LS 18 1 m Korea Longwell LP 486 KTLHO3VV F LS 5 1 m South Africa Longwell LP 39 HO3VV F LS 18 1 Switzerland e Longwell LP 37 HO3VV F LS 18 1 m Taiwan Longwell LP 71 VCTF LS 33 1 m UK Longwell LP 61L HO3VV F LS 18 1 e Longwell LP 30B SPT 2 18AWG LS 18 1 m Table 13 Parts list 3 pin power cords Volex Country or region Argentina e VOLEX VA2073 H03VV F VAC5S 1 m Australia New Zealand e VOLEX AU10S3 H03VV F VAC5S 1 m Brazil VOLEX CH10S3 H03VV F VAC5S 1 m CE e VOLEX M2511 HO3VV F VAC5S 1 m China e VOLEX GB10S3 RVV 300 500 VAC5S 1 m 90 Hardware Maintenance Manual Table 13 Parts list 3 pin power cords Volex continued Country or region FRU no Denmark 145000534 e VOLE
35. PERIGO Embora as principais baterias possuam baixa voltagem uma bateria em curto circuito ou aterrada pode produzir corrente o bastante para queimar materiais de pessoal ou inflam veis A PERIGO A menos que uma hot swap seja permitida para a FRU que est sendo substitu da fa a o seguinte antes de remov la desligue o computador desconecte todos os cabos de energia das tomadas remova o pacote de baterias e desconecte quaisquer cabos de interconex o A DANGER Avant de remettre l ordinateur sous tension apres remplacement d une unit en clientele v rifiez que tous les ressorts vis et autres pi ces sont bien en place et bien fix es Pour ce faire secouez l unit et assurez vous qu aucun bruit suspect ne se produit Des pieces m talliques ou des copeaux de m tal pourraient causer un court circuit A DANGER Certaines batteries de secours contiennent du nickel et du cadmium Ne les d montez pas ne les rechargez pas ne les exposez ni au feu ni l eau Ne les mettez pas en court circuit Pour les mettre au rebut conformez vous la r glementation en vigueur Lorsque vous remplacez la pile de sauvegarde ou celle de l horloge temps r el veillez n utiliser que les mod les cit s dans la liste de pi ces d tach es ad quate Une batterie ou une pile inappropri e risque de prendre feu ou d exploser A DANGER La batterie contient du nickel Ne la d montez pas ne l exposez ni au feu ni
36. X MP233D H03VV F VAC5S 1 m Indian 145000536 VOLEX IA6A3 IS694 VAC5S 1 Israel 145000526 e VOLEX SI16S3 H03VV F VAC5S 1 m Italy 145000535 e VOLEX IT10S3 HO3VV F VAC5S 1 m Japan 145000530 e VOLEX VAC5S VCTF M755 1 m 4 Korea 145000533 e VOLEX M2511 KETI IEC VAC5S 1 m South Africa 145000529 e VOLEX SA16A HO3VV F VAC5S 1 m ER Switzerland 145000524 VOLEX MP232 H03VV F VAC5S 1 m Taiwan 145000531 e VOLEX TW15CS3 VCTF VAC5S 1m U K 145000605 e VOLEX MP5004 HO3VV F VAC5S 1 m 145000537 e Volex US15S3 SPT 2 VAC5S 1 m Chapter 9 Parts list 91 92 Hardware Maintenance Manual Appendix A Notices Lenovo may not offer the products services or features discussed in this document in all countries Consult your local Lenovo representative for information on the products and services currently available in your area Any reference to a Lenovo product program or service is not intended to state or imply that only that Lenovo product program or service may be used Any functionally equivalent product program or service that does not infringe any Lenovo intellectual property right may be used instead However it is the user s responsibility to evaluate and verify the operation of any other product program or service Lenovo may have patents or pending patent applications covering subject matter described in this document The furnishing of this document does not give you any license to
37. ance Manual Table 6 Parts list Keyboard Sunrex continued Language Spanish 25204645 Slovenian 25204666 Thai 25204647 Traditional Chinese 25204652 Turkish 25204646 U K English 25204643 U S English 25204642 U S English International with a Euro symbol 25204668 Table 7 Parts list Keyboard Chicony Language Arabic 25204597 25204604 25204598 25204610 25204609 25204603 25204599 25204595 25204591 25204596 25204600 25204601 25204602 25204611 25204605 25204585 25204584 25204592 25204590 25204589 25204594 25204606 25204607 25204586 25204588 25204593 25204587 Belgian Brazilian Portuguese Bulgarian Czech Slovak C amp Nordics Dutch French French English German Greek Hebrew Hungarian Indian Icelandic Italian Japanese Korean Latin Portuguese Russian Slovenian Swiss Spanish Thai Traditional Chinese Turkish Chapter 9 Parts list 87 Table 7 Parts list Keyboard Chicony continued language LS U K English 25204583 U S English 25204582 U S English International with a Euro symbol 25204608 Miscellaneous parts Table 8 Parts list Miscellaneous parts a LB575B ODD bracket 90201312 b LA57 ODD bezel assembly tray in Rambo 31048981 c LA57 HDD bracket assembly 31048979 Note Italicized letters in parentheses are references to the exploded view in Overall on page 82 ac power adapters Table 9 Parts list 3 pin 65 W ac power adap
38. apter 7 Removing and replacing a FRU 3 conductive surface For access remove these FRUs in order 1010 Battery pack on page 43 1020 Bottom slot cover on page 44 1030 Hard disk drive on page 45 1040 Optical drive on page 46 1050 Memory modules on page 47 1060 PCI Express Mini Card for wireless LAN on page 48 1070 Backup battery on page 50 1080 Keyboard on page 51 1090 Keyboard bezel on page 54 Removal steps of system board Remove the screw EE Detach the connectors Step Screw quantity Torque M2 x 5 mm flat head nylon coated 1 3 0 kgfcm When installing Make sure that all the connectors are attached firmly 64 Hardware Maintenance Manual Detach the connector EX and remove the system board in the direction shown by the arrow Chapter 7 Removing and replacing a FRU 65 1140 LCD unit For access remove these FRUs in order 1010 Battery pack on page 43 1020 Bottom slot cover on page 44 1030 Hard disk drive on page 45 1040 Optical drive on page 46 1050 Memory modules on page 47 1060 PCI Express Mini Card for wireless LAN on page 48 1070 Backup battery on page 50 1080 Keyboard on page 51 1090 Keyboard bezel on page 54 1130 System board assembly on page 63 Removal steps of LCD unit Release the antenna cables from the cable guides Then remove the screws EX Step Screw quantity
39. between 20 and 80 of its capacity Off The remaining power of the battery is more than 80 of its capacity or the computer is operating on battery power with the remaining power between 20 and 80 of its capacity White Any one of the wireless devices is enabled Off All the wireless devices are disabled Battery status indicator E Wireless status indicator QE Fn key combinations The following table describes the functions of Fn key combinations Table 2 Function key combinations Chapter 5 Lenovo B575e 39 40 Hardware Maintenance Manual Chapter 6 FRU replacement notices This chapter presents notices related to removing and replacing parts Read this chapter carefully before replacing any FRU Screw notices Loose screws can cause a reliability problem In the Lenovo notebook computer this problem is addressed with special nylon coated screws that have the following characteristics e They maintain tight connections e They do not easily come loose even with shock or vibration e They are harder to tighten Do the following when you service the computer e Keep the screw kit in your tool bag e It is recommended to use new screws e t recommended to use each screw only once e Use a torque screwdriver if you have one Tighten screws as follows e Plastic to plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part 90 degrees more
40. ck the manual battery latch EE Holding the spring loaded battery latch in the unlocked position remove the battery pack in the direction shown by the arrow EX When installing Install the battery pack in the slot Make sure that the battery latches are in the locked position 1020 Bottom slot cover For access remove this FRU e 1010 Battery pack on page 43 Removal steps of bottom slot cover Loosen the screws Fl then remove the bottom slot cover EX 44 Hardware Maintenance Manual 1030 Hard disk drive For access remove these FRUs in order e 1010 Battery pack on page 43 e 1020 Bottom slot cover on page 44 Attention Do not drop the drive or apply any physical shock to it The drive is sensitive to physical shock Improper handling can cause damage and permanent loss of data e Before removing the drive have the user make a backup copy of all the information on it if possible e Never remove the drive while the computer is operating or in suspend mode Removal steps of hard disk drive assembly Remove the screw Step Screw quantity Torque M2 x 3 mm flat head nylon coated 1 1 6 kgfcm Pull the tab in the direction shown by the arrow J to remove the hard disk drive from the slot When installing Make sure that the hard disk drive connector is attached firmly Chapter 7 Removing and replacing a FRU 45 Removal steps of hard disk drive bracket Remove the screws Step
41. ct an incorrect drive data or programs can be overwritten Important notice for replacing a system board Some components mounted on a system board are very sensitive Improper handling of a system board can cause damage to those components and may cause a system malfunction Attention When handling a system board Do not drop a system board or apply any excessive force to it e Avoid rough handling of any kind e Avoid bending a system board and hard pushing to prevent cracking at each BGA Ball Grid Array chipset Important information about replacing RoHS compliant FRUs RoHS The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive 2002 95 EC is a European Union legal requirement affecting the global electronics industry ROHS requirements must be implemented on Lenovo products placed on the market after June 2006 Products on the market before June 2006 are not required to have RoHS compliant parts If the original FRU parts are non compliant the replacement parts also can be non compliant That is if the original FRU parts are RoHS compliant the replacement part also must be ROHS compliant Note RoHS and non RoHS FRU part numbers with the same fit and function are identified by the unique FRU part numbers Lenovo plans to transit to ROHS compliance before the implementation date and expects its suppliers to be ready to meet Lenovo s requirements and schedule in the European Union Products s
42. e customer to power off the wall box that supplies power to the machine and to lock the wall box in the off position e If you need to work on a machine that has exposed electrical circuits observe the following precautions Ensure that another person familiar with the power off controls is near you Attention Another person must be there to switch off the power if necessary Use only one hand when working with powered on electrical equipment keep the other hand in your pocket or behind your back Attention An electrical shock can occur only when there is a complete circuit By observing the above rule you may prevent a current from passing through your body When using testers set the controls correctly and use the approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and machine frames Observe the special safety precautions when you work with very high voltages Instructions for these precautions are in the safety sections of maintenance information Use extreme care when measuring high voltages e Regularly inspect and maintain your electrical hand tools for safe operational condition e Do not use worn or broken tools and testers e Never assume that power has been disconnected from a circuit First check that it has been powered off e Always look carefully for possible hazards in your work area
43. e overwritten Replace a FRU only with another FRU of the correct model When you replace a FRU make sure that the model of the machine and the FRU part number are correct by referring to the FRU parts list A FRU should not be replaced because of a single unreproducible failure Single failures can occur for a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors Consider replacing a FRU only when a problem recurs If you suspect that a FRU is defective clear the error log and run the test again If the error does not recur do not replace the FRU Be careful not to replace a nondefective FRU What to do first When you do return a FRU you must include the following information in the parts exchange form or parts return form that you attach to it Name and phone number of service technician Date of service Date on which the machine failed Date of purchase Procedure index and page number in which the failing FRU was detected Failing FRU name and part number Machine type model number and serial number Customer s name and address OND OE ON Note During the warranty period the customer may be responsible for repair costs if the computer damage was caused by misuse accident modification unsuitable physical or operating environment or improper maintenance by the customer Following is a list of some common items that are not covered u
44. er slot El Speakers Touch pad Ethernet connector Status indicators E USB connector Built in microphone Optical drive Power button EJ USB connector EU Onekey Recovery Pro program button 1 and EF For the description of the indicators see Status indicators on page 38 Copyright Lenovo 2012 79 Fan louvers VGA port EI HDMI port on some models E USB connector El Bottom slot cover Bottom view Figure 2 Lenovo B575e bottom view Battery latch manual H Battery pack El Battery latch spring loaded Security keyhole H ac power connector 1 The memory modules hard disk drive and wireless cards are located underneath the bottom slot cover 80 Hardware Maintenance Manual 81 Chapter 9 Parts list This chapter contains the following lists of the service parts Overall on page 2 e LCD FRUs on page 84 e Keyboard on page 85 e Miscellaneous parts on page 88 e ac power adapters on page 88 Power cords on page 8 Note Each FRU is available for all types or models unless specific types or models are specified O Copyright Lenovo 2012 Overall Sa lt 56 XI gt Table 3 Parts list Overall FRU Overall FRU no LCD unit see LCD FRUs on page 84 LB57 LED BOARD W CABLE 31048995 Battery 2200mA 6cell 48Wh 3S2P Sanyo L09S6Y02 3S2P 48Wh bty LH Comm01 121001091 Battery 2200mA 6cell 48Wh 352
45. ery pack becomes hot it may not be able to be charged Remove it from the computer and leave it at room temperature for a while After it cools down reinstall and recharge it To check the battery pack do the following 1 Power off the computer 2 Remove the battery pack and measure the voltage between battery terminals 1 and 7 See the following figure Vonage W eg Sans 3 If the voltage is less than 11 0 V dc the battery pack has been discharged Note Recharging will take at least 3 hours even if the indicator does not turn on If the voltage is still less than 11 0 V dc after recharging replace the battery 4 If the voltage is more than 11 0 V dc measure the resistance between battery terminals 5 and 7 The resistance must be to 30 K O If the resistance is not correct replace the battery pack If the resistance is correct replace the system board Chapter 3 General checkout 31 32 Hardware Maintenance Manual Chapter 4 Related service information This chapter presents the following information e Recovering the computer settings on page 33 e Passwords on page 33 e Power management on page 34 Recovering the computer settings Performing backup and recovery operations using the OneKey Recovery Pro program The OneKey Recovery Pro program enables you to back up all your hard disk drive contents including the operating system data files software programs and personal settings
46. es supported by this manual e Strategy for replacing FRUs on page 27 Strategy for replacing a hard disk drive on page 8 Important notice for replacing a system board on page 8 e Important information about replacing ROHS compliant FRUs on page 28 Important BIOS and device driver fixes are customer installable The BIOS and device drivers are available at http www lenovo com support Strategy for replacing FRUs Before replacing parts Make sure that all software fixes drivers and BIOS downloads are installed before replacing any FRUs listed in this manual After a system board is replaced ensure that the latest BIOS is installed to the system board before completing the service action To download software fixes drivers and BIOS do the following 1 Go to http www lenovo com support 2 Click Download Drivers amp Software The Web site offers three options to begin your search e Search by product number e Search through the product auto detect function e Search by product category 3 Follow the directions on the screen and install the necessary software Notes If you need to improve the computer performance you also could download and install the latest BIOS utility from the Support Web site Do not try to update the BIOS settings for any computer unless you have been trained and certified An untrained person runs the risk of damaging the computer e Before installing the latest utility
47. hard disk drive is read and system status is restored from the hard disk drive Chapter 4 Related service information 35 36 Hardware Maintenance Manual Chapter 5 Lenovo B575e This chapter presents the following product specific service references and parts information e Specifications on page 37 e Status indicators on page 38 e Fn key combinations on page 39 Specifications This topic lists the physical features for the Lenovo B575e models Processor e To view the processor information of your computer click Start right click Computer and then click Properties Memory Double data rate 3 DDR3 synchronous dynamic random access memory SDRAM Storage device e 2 5 inch 7 mm height or 9 5 mm height hard disk drive Display e Size 15 6 inch 396 mm e Resolution LCD 1366 by 768 External monitor Maximum 2048 by 1536 e Integrated camera on some models Keyboard e 6 row Lenovo keyboard One key Recovery Pro program button Interface e Two USB 2 0 connectors One USB 3 0 connector e RJ45 Ethernet connector e HDMI port e External monitor connector e 4 in 1 digital media card reader slot Optical drive e 12 7 mm Rambo optical drive Wireless features O Copyright Lenovo 2012 37 e Integrated Bluetooth on some models e Integrated WiMAX e 100 1000 Mbps Ethernet communication Status indicators This topic presents the system status indicators that show the
48. ies in the United States other countries or both Other company product or service names may be the trademarks or service marks of others 94 Hardware Maintenance Manual lenovo Part Number Printed in China 1P P N
49. il it snaps into place Make sure that it is firmly installed in the slot and does not move easily 1060 PCI Express Mini Card for wireless LAN For access remove these FRUs in order e 1010 Battery pack on page 43 e 1020 Bottom slot cover on page 44 48 Hardware Maintenance Manual Removal steps of PCI Express Mini Card for wireless LAN Disconnect the cable from the card using the removal tool antenna RF connector P N 08K7159 or pick up the cable with your fingers and then gently disconnect it from the card in the direction of the arrow Then remove the screw EX Step Screw quantity Torque M2 x 3 mm flat head nylon coated 1 1 6 kgfcm Chapter 7 Removing and replacing a FRU 9 Remove the card in the direction shown by the arrow 1 When installing Plug the black cable MAIN into the jack labeled A and the white cable AUX into the jack labeled B on the card 1070 Backup battery For access remove these FRUs in order e 1010 Battery pack on page 43 e 1020 Bottom slot cover on page 44 Removal steps of backup battery Dancer Use only the battery specified in the parts list for your computer Any other battery could ignite or explode 50 Hardware Maintenance Manual Insert a screwdriver into the backup battery hole and push the backup battery until the battery pops up 1080 Keyboard For access remove these FRUs in order e 1010 Batte
50. illustration The result obtained in other operating environments may vary Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you Any references in this publication to non Lenovo Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites The materials at those Web sites are not part of the materials for this Lenovo product and use of those Web sites is at your own risk Any performance data contained herein was determined in a controlled environment Therefore the result obtained in other operating environments may vary significantly Some measurements may have been made on development level systems and there is no guarantee that these measurements will be the same on generally available systems Furthermore some measurements may have been estimated through extrapolation Actual results may vary Users of this document should verify the applicable data for their specific environment Copyright Lenovo 2012 93 Electronic emissions notices For electronic emission information on Class B digital devices refer to the corresponding information in the User Guide Ce Trademarks The following terms are trademarks of Lenovo in the United States other countries or both Lenovo OneKey Windows is a trademark of the Microsoft group of companies Intel is a trademark of Intel Corporation or its subsidiar
51. indestens 15 Minuten mit Wasser abgesp lt und bei Beschwerden anschlie end ein Arzt aufgesucht werden Chapter 1 Safety information 11 A VORSICHT Aus Sicherheitsgr nden die Kunststoffabdeckung die den unteren Teil der Spannungswandlerplatine umgibt nicht entfernen A VORSICHT Obwohl Hauptbatterien eine niedrige Spannung haben k nnen sie doch bei Kurzschluf oder Erdung genug Strom abgeben um brennbare Materialien zu entz nden oder Verletzungen bei Personen hervorzurufen A VORSICHT Wenn ein Austausch der FRU bei laufendem Betrieb nicht erlaubt ist gehen Sie beim Austausch der FRU wie folgt vor Schalten Sie den Computer aus ziehen Sie alle Netzkabel von den Netzsteckdosen ab entfernen Sie den Akku und ziehen Sie alle miteinander verbundenen Kabel ab A INN FRU MI my PN
52. lenovo Hardware Maintenance Manual Lenovo B575e Note Before using this information and the product it supports be sure to read the general information under Appendix A Notices on page 93 First Edition July 2012 Copyright Lenovo 2012 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 41 41 43 43 44 45 46 47 48 50 51 54 58 59 59 63 65 67 69 70 72 74 74 76 79 79 80 81 82 84 85 88 88 88 93 94 94 Chapter 6 FRU Sn notices Screw notices Chapter 7 Removing and replacing a FRU 1010 Battery pack 1020 Bottom slot cover 1030 Hard disk drive 1040 Optical drive 1050 Memory modules 1060 PCI Express Mini Card for Wireless LAN 1070 Backup battery 1080 Keyboard 1090 Keyboard bezel 1100 LED board and power Beard 1110 Microphone assembly 3 1120 I O board and RJ45 Ethernet board 1130 System board assembly 1140 LCD unit 1150 Thermal fan assembly 1160 Speaker assembly 6 1170 DC in sub card and base cover 2010 LCD front bezel 2020 Integrated camera 2030 LCD panel LCD cable aka hinges 2040 Antenna assembly Chapter 8 Locations Front view Bottom view Chapter 9 Parts list Overall LCD FRUs Keyboard Miscellaneous parts ac power adapters
53. make sure that the battery is fully charged and an ac power adapter is connected e Do not turn off or put your computer into sleep or hibernation until the update has been completed Otherwise the system board might be damaged Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs e If you are instructed to replace a FRU but the replacement does not correct the problem reinstall the original FRU before you continue e Some computers have both a processor board and a system board If you are instructed to replace either the processor board or the system board and replacing one of them does not correct the problem reinstall that board and then replace the other one Copyright Lenovo 2012 27 e an adapter or a device consists of more than one FRU any of the FRUs may be the cause of the error Before replacing the adapter or device remove the FRUs one by one to see if the symptoms change Replace only the FRU that changed the symptoms Strategy for replacing a hard disk drive Always try to run a low level format before replacing a hard disk drive HDD This will cause all customer data on the hard disk to be lost Be sure that the customer has a current backup of the data before doing this task Attention The drive startup sequence in the computer you are servicing may have been changed Be extremely careful during write operations such as copying saving or formatting If you sele
54. n oder Spiegel verwenden Strahlungsbereich meiden A pa DVD A Class 3A Class 3B Chapter 1 Safety information 3 Hz A CD ROM DVD e
55. nder warranty and some symptoms that might indicate that the system was subject to stress beyond normal use Before checking problems with the computer determine whether the damage is covered under the warranty by referring to the following list The following are not covered under warranty LCD panel cracked from the application of excessive force or from being dropped Scratched cosmetic parts Distortion deformation or discoloration of the cosmetic parts Plastic parts latches pins or connectors that have been cracked or broken by excessive force Damage caused by liquid spilled into the system Damage caused by the improper insertion of a PC Card or the installation of an incompatible card Improper disc insertion or use of an optical drive Copyright Lenovo 2012 29 e Diskette drive damage caused by pressure on the diskette drive cover foreign material in the drive or the insertion of a diskette with multiple labels Damaged or bent diskette eject button Fuses blown by attachment of a nonsupported device Forgotten computer password making the computer unusable Sticky keys caused by spilling a liquid onto the keyboard Use of an incorrect ac power adapter on laptop products The following symptoms might indicate damage caused by nonwarranted activities e Missing parts might be a symptom of unauthorized service or modification e lf the spindle of a hard disk drive becomes noisy it may have been subject to excessive force
56. old between 2005 and 2006 might contain some RoHS compliant FRUs The following statement pertains to the products with RoHS compliant FRUs RoHS compliant FRUs have unique FRU part numbers Before or after the ROHS implementation date the failed ROHS compliant parts must be replaced with compliant parts and only the following FRUs can be used identified as compliant in the Hardware Maintenance Manual or direct substitutions can be used e Compliant FRUs identified in Hardware Maintenance Manual e Direct substitutions with different FRU part numbers automatically shipped by the distribution center at the time of order For products shipped after June 2006 Current or original part Replacement FRU Must be RoHS Must be RoHS 28 Hardware Maintenance Manual Chapter 3 General checkout This chapter presents following information e What to do first on page 29 e Power system checkout on page 30 Before you go to the checkout guide be sure to read the following important notes Important notes Only certified trained personnel should service the computer Before replacing any FRU read the entire page on removing and replacing FRUs When you replace FRUs it is recommended to use new nylon coated screws Be extremely careful during such write operations as copying saving or formatting Drives in the computer that you are servicing sequence might have been altered If you select an incorrect drive data or programs might b
57. orking in any other conditions that might be hazardous to your eyes After service reinstall all safety shields guards labels and ground wires Replace any safety device that is worn or defective Reinstall all covers correctly before returning the machine to the customer Fan louvers on the machine help to prevent overheating of internal components Do not obstruct fan louvers or cover them with labels or stickers Copyright Lenovo 2012 1 Electrical safety Observe the following rules when working on electrical equipment Important Use only approved tools and test equipment Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents Many customers have near their equipment rubber floor mats that contain small conductive fibers to decrease electrostatic discharges Do not use this type of mat to protect yourself from electrical shock e Find the room emergency power off EPO switch disconnecting switch or electrical outlet If an electrical accident occurs you can then operate the switch or unplug the power cord quickly e Do not work alone under hazardous conditions or near equipment that has hazardous voltages e Disconnect all power before Performing a mechanical inspection Working near power supplies Removing or installing main units e Before you start to work on the machine unplug the power cord If you cannot unplug it ask th
58. ormativa local A Si la LCD se rompe y el fluido de su interior entra en contacto con sus ojos o sus manos lave inmediatamente las reas afectadas con agua durante 15 minutos como m nimo Obtenga atenci n medica si se presenta alg n s ntoma del fluido despues de lavarse eao Para evitar descargas no quite la cubierta de pl stico que rodea la parte baja de la tarjeta invertida 070 Aunque las baterias principales tienen un voltaje bajo una bateria cortocircuitada o con contacto a tierra puede producir la corriente suficiente como para quemar material combustible o provocar quemaduras en el personal 070 Salvo que se permita el intercambio en caliente para la unidad sustituible localmente realice lo siguiente antes de extraerla apague el sistema desconecte todos los cables de alimentaci n de las tomas de alimentaci n el ctrica extraiga la bater a y desconecte los cables de interconexi n Aan FRU EREA E ZA EAR HERA RESTE ARTE DES ARS mi REB Ban A FERE lt HDMI Mem Chapter 1 Safety information 17 RADH EE BRE 211 As
59. rael label PRC label or KCC label El Israel label PPT label EE Rating label For some models you need to apply two FCC labels Check the old base cover if it has two FCC labels apply both to the new base cover For the location of each label refer to the following figure nl 2010 LCD front bezel For access remove these FRUs in order 1010 Battery pack on page 43 1020 Bottom slot cover on page 44 1030 Hard disk drive on page 45 1040 Optical drive on page 46 1050 Memory modules on page 47 1060 PCI Express Mini Card for wireless LAN on page 48 1070 Backup battery on page 50 1080 Keyboard on page 51 72 Hardware Maintenance Manual 1090 Keyboard bezel on page 4 e 1130 System board assembly on page 63 e 1140 LCD unit on page 65 Removal steps of LCD front bezel Remove the screws Step Screw quantity Torque M2 x 5 mm flat head nylon coated 2 1 85 kgfcm Remove the LCD front bezel in the direction shown by the arrows 1 When installing Make sure that all the latches are attached firmly Then secure the bezel with the screws Chapter 7 Removing and replacing a FRU 3 2020 Integrated camera For access remove these FRUs in order 1010 Battery pack on page 43 1080 Keyboard on page 51 1090
60. rds from electrical outlets remove the battery pack and disconnect any interconnecting cables sale FRU
61. re that you can stand safely without slipping Distribute the weight of the object equally between your feet Use a slow lifting force Never move suddenly or twist when you attempt to lift O N Lift by standing or by pushing up with your leg muscles this action removes the strain from the muscles in your back Do not attempt to lift any object that weighs more than 16 kg 35 Ib or that you think is too heavy for you Do not perform any action that causes hazards to the customer or that makes the equipment unsafe Before you start the machine make sure that other service technicians and the customer s personnel are not in a hazardous position Place removed covers and other parts in a safe place away from all personnel while you are servicing the machine Keep your toolcase away from walk areas so that other people will not trip over it Do not wear loose clothing that can be trapped in the moving parts of a machine Make sure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip about 8 centimeters 3 inches from the end Do not wear jewelry chains metal frame eyeglasses or metal fasteners for your clothing because metal objects are good electrical conductors Wear safety glasses when you are hammering drilling soldering cutting wire attaching springs using solvents or w
62. ry pack on page 43 e 1020 Bottom slot cover on page 44 Chapter 7 Removing and replacing a FRU 51 Torque Removal steps of keyboard Remove the screws Screw quantity M2 5 x 7 mm flat head nylon coated 3 52 Hardware Maintenance Manual The keyboard will open up slightly EL Chapter 7 Removing and replacing a FRU 3 Carefully lift the keyboard until you can see how it is connected Hold the keyboard above the computer EL and then detach the connector in the direction shown by the arrows Hand 1090 Keyboard bezel For access remove these FRUs in order e 1010 Battery pack on page 43 e 1020 Bottom slot cover on page 44 e 1030 Hard disk drive on page 45 e 1080 Keyboard on page 51 54 Hardware Maintenance Manual Removal steps of keyboard bezel Remove screws El and FX that secure the keyboard bezel Step Screw quantity Torque M2 5 x 7 mm flat head nylon coated 10 3 0 kgfcm A M2 x 3 mm flat head nylon coated 3 1 6 kgfcm Chapter 7 Removing and replacing a FRU 55 Remove the screw 1 Step Screw quantity Torque M2 x 5 mm flat head nylon coated 1 1 6 kgfcm 56 Hardware Maintenance Manual Detach the connectors When installing Make sure that the connectors are attached firmly to the system board Remove the keyboard bezel Chapter 7 Removing and replacing a FRU 57 1100 LED board and power board For access remove the
63. s cubiertas del producto l ser podr a producir una exposici n a radiaci n l ser peligrosa No hay ninguna pieza dentro del dispositivo que pueda reparar e La utilizaci n de controles ajustes o la realizaci n de procedimientos diferentes a los especificados puede dar como resultado una exposici n peligrosa a radiaciones Algunos productos l ser contienen un diodo l ser de Clase 3A o Clase 3B incorporado Tenga en cuenta lo siguiente Emite radiaci n l ser cuando est abierto No fije la vista en el rayo no lo mire directamente con instrumentos pticos y evite la exposici n directa al rayo Chapter 1 Safety information 25 A CD ROM DVD WRR HERE EME WIM FRE H FRE IE REA F FRAY KEN RUE HE m A AK 3A 3B gt 26 Hardware Maintenance Manual Chapter 2 Important service information This chapter presents the following important service information that applies to all machine typ
64. s locais Use somente a bateria nas partes listadas apropriadas O uso de uma bateria incorreta pode resultar em combust o ou explos o da bateria A PERIGO O pacote da bateria cont m uma pequena quantidade de n quel N o o desmonte jogue o no fogo ou na gua ou deixe o entrar em curto circuito Descarte o pacote da bateria conforme requerido pelas leis ou regulamentos locais Use somente a bateria nas partes listadas apropriadas ao substituir o pacote da bateria O uso de uma bateria incorreta pode resultar em combust o ou explos o da bateria A PERIGO A bateria de l tio pode causar inc ndio explos o ou graves queimaduras N o a recarregue remova seu conector polarizado desmonte a aqueca a acima de 100 C 212 F incinere a ou exponha o conte do de sua c lula a gua Descarte a bateria conforme requerido pelas leis ou regulamentos locais Use somente a bateria nas partes listadas apropriadas O uso de uma bateria incorreta pode resultar em combust o ou explos o da bateria A PERIGO Se o LCD quebrar e o fluido de dentro dele entrar em contato com seus olhos ou com suas m os lave as reas afetadas imediatamente com gua durante pelo menos 15 minutos Procure cuidados m dicos se algum sintoma causado pelo fluido surgir ap s a lavagem A PERIGO 8 Hardware Maintenance Manual Para evitar choque el trico nao remova a capa plastica que protege a parte inferior da placa inversora A
65. se FRUs in order 1010 Battery pack on page 43 1020 Bottom slot cover on page 44 1030 Hard disk drive on page 45 1040 Optical drive on page 46 1050 Memory modules on page 47 1060 PCI Express Mini Card for wireless LAN on page 48 1070 Backup battery on page 50 1080 Keyboard on page 51 1090 Keyboard bezel on page 54 Removal steps of LED board Peel off the mylar tape J and then remove the LED board Removal steps of power board Remove the screw J and then remove the power board EX Step Screw quantity Torque M2 x 3 mm flat head nylon coated 1 1 85 kgfcm 58 Hardware Maintenance Manual 1110 Microphone assembly For access remove these FRUs in order 1010 Battery pack on page 43 1020 Bottom slot cover on page 44 1030 Hard disk drive on page 45 1040 Optical drive on page 46 1050 Memory modules on page 47 1060 PCI Express Mini Card for wireless LAN on page 48 1070 Backup battery on page 50 1080 Keyboard on page 51 1090 Keyboard bezel on page 54 Removal steps of microphone assembly Peel off the tapes that secure the microphone assembly When installing Make sure that the connector is attached firmly to the system board 1120 I O board and RJ45 Ethernet board For access remove these FRUs in order e 1010 Battery pack on page 43 e 1020 Bottom slot cover on page 44 e 1030
66. st be entered before an operating system can be booted Supervisor password A supervisor password SVP protects the system information stored in the BIOS The user must enter the SVP in order to get access to the BIOS and change the system configuration Attention If the SVP has been forgotten and cannot be made available to the service technician there is no service procedure to reset the password The system board must be replaced for a scheduled fee Copyright Lenovo 2012 33 Power management Note Power management modes are not supported for APM operating system To reduce power consumption the computer has three power management modes screen blank sleep and hibernation Screen blank mode If the time set on the Turn off monitor timer in the operating system expires the LCD backlight turns off You also can turn off the LCD backlight by pressing Fn F2 To end screen blank mode and resume normal operation press any key Sleep mode When the computer enters sleep mode the following events occur in addition to what occurs in screen blank mode e The LCD is powered off e The hard disk drive is powered off e The CPU stops To enter sleep mode press Fn F1 In certain circumstances the computer goes into sleep mode automatically e Ifa suspend time has been set on the timer and the user does not do any operation with the keyboard the hard disk drive the parallel connector or the diskette dri
67. stibles ou causer des br lures corporelles graves A DANGER Si le remplacement chaud n est pas autoris pour l unit rempla able sur site que vous remplacez proc dez comme suit avant de retirer l unit mettez l ordinateur hors tension d branchez tous les cordons d alimentation des prises de courant retirez le bloc de batterie et d connectez tous les c bles d interconnexion A VORSICHT 10 Hardware Maintenance Manual Bevor nach einem FRU Austausch der Computer wieder angeschlossen wird muB sichergestellt werden 68 keine Schrauben Federn oder andere Kleinteile fehlen oder im Geh use vergessen wurden Der Computer muB gesch ttelt und auf Klapperger usche gepr ft werden Metallteile oder splitter k nnen Kurzschl sse erzeugen A VORSICHT Die Bereitschaftsbatterie die sich unter dem Diskettenlaufwerk befindet kann geringe Mengen Nickel und Cadmium enthalten Sie darf nur durch die Verkaufsstelle oder den IBM Kundendienst ausgetauscht werden Sie darf nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Die Batterie kann schwere Verbrennungen oder Ver tzungen verursachen Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Bereitschafts oder Systembatterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren A VORSICHT
68. t disassemble it throw it into fire or water or short circuit it Dispose of the battery pack as required by local ordinances or regulations Use only the battery in the appropriate parts listing when replacing the battery pack Use of an incorrect battery can result in ignition or explosion of the battery A DANGER The lithium battery can cause a fire an explosion or a severe burn Do not recharge it remove its polarized connector disassemble it heat it above 100 C 212 F incinerate it or expose its cell contents to water Dispose of the battery as required by local ordinances or regulations Use only the battery in the appropriate parts listing Use of an incorrect battery can result in ignition or explosion of the battery A DANGER If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands immediately wash the affected areas with water for at least 15 minutes Seek medical care if any symptoms from the fluid are present after washing A DANGER To avoid shock do not remove the plastic cover that protects the lower part of the inverter card DANGER Though the main batteries have low voltage a short circuited or grounded battery can produce enough current to burn personnel or combustible materials Chapter 1 Safety information 5 DANGER Unless hot swap is allowed for the FRU being replaced do as follows before removing it power off the computer unplug all power co
69. tema despues de sustituir una FRU compruebe que todos los tornillos muelles demas piezas pequenas se encuentran en su sitio y no se encuentran sueltas dentro del sistema Compru belo agitando el sistema y escuchando los posibles ruidos que provocar an Las piezas met licas pueden causar cortocircuitos el ctricos eao Algunas bater as de reserva contienen una peque a cantidad de n quel y cadmio No las desmonte ni recargue ni las eche al fuego o al agua ni las cortocircuite Des chelas tal como dispone la normativa local Utilice s lo bater as que se encuentren en la lista de piezas La utilizaci n de una bater a no apropiada puede provocar la ignici n o explosi n de la misma Mas Las bater as contienen peque as cantidades de n quel No las desmonte ni recargue ni las eche al fuego o al agua ni las cortocircuite Des chelas tal como dispone la normativa local Utilice s lo bater as que se encuentren en la lista de piezas al sustituir la bater a La utilizaci n de una bater a no apropiada puede provocar la ignici n o explosi n de la misma 16 Hardware Maintenance Manual ano La bateria de repuesto es una bateria de litio y puede provocar incendios explosiones quemaduras graves No la recargue ni quite el conector polarizado ni la desmonte ni caliente por encima de los 100 C 212 F ni la incinere ni exponga el contenido de sus celdas al agua Des chela tal como dispone la n
70. ter part containing transistors or integrated circuits ICs should be considered sensitive to electrostatic discharge ESD ESD damage can occur when there is a difference in charge between objects Protect against ESD damage by equalizing the charge so that the machine the part the work mat and the person handling the part are all at the same charge Notes 1 Use product specific ESD procedures when they exceed the requirements noted here Chapter 1 Safety information 3 2 Make sure that the ESD protective devices you use have been certified ISO 9000 as fully effective When handling ESD sensitive parts e Keep the parts in protective packages until they are inserted into the product e Avoid contact with other people e Wear a grounded wrist strap against your skin to eliminate static on your body e Prevent the part from touching your clothing Most clothing is insulative and retains a charge even when you are wearing a wrist strap e Use a grounded work mat to provide a static free work surface The mat is especially useful when handling ESD sensitive devices e Select a grounding system such as those listed below to provide protection that meets the specific service requirement Note The use of a grounding system to guard against ESD damage is desirable but not necessary Attach the ESD ground clip to any frame ground ground braid or green wire ground When working on a double insulated or battery operated
71. ters Delta ADP 65KH BD 20V 3 25A 36001929 Liteon PA 1650 56LC 36001651 Chicony CPA A065 20V3 25A 36001943 Table 10 Parts list 3 pin 40 W ac power adapters Delta ADP 40NH B 36001648 Liteon PA 1400 12LC 36001653 HIPRO LN A0403A3C 36001672 Power cords A Lenovo power cord for a specific country or region is usually available only in that country or region Table 11 Parts list 3 pin power cords Linetek Country or region FRU no Argentina 145000599 e LINETEK LS15 HO3VV F LP39 1 m Australia New Zealand 145000589 O Brazil 145000596 A q 88 Hardware Maintenance Manual 145000585 145000567 145000557 145000564 145000553 89 Chapter 9 Parts list Table 11 Parts list 3 pin power cords Linetek continued Country or region CE LINETEK LP 34 HO3VV F LS15 1m China e LINETEK PC323 RVV300 300 LS15 1 m Denmark e LINETEK LS15 H03VV F LP 38 1 m Indian e LINETEK PE 361 HO5VV F LS15 1 m Israel LINETEK LS15 H03VV F LP 41 1 m Italy e LINETEK LS15 H03VV F PE 336 1 m Japan e LINETEK LS15 VCTF LP 54 1 m Korea e LINETEK LS15 H05VV F LP EO4A 1 m South Africa LINETEK LS15 H03VV F PE 364 1 Switzerland LINETEK LS15 H03VV F LP 37 1 m Taiwan LINETEK LS15 VCTF LP 53 1 m U K LINETEK LP 61L HO3VV F LS15 1 m UL e LINETEK LP 30B SPT 2 LS15 1m Table 12 Parts list 3 pin power cords Longwell Country or region Argentina e Longwell LP 24 H03VV F
72. trical hazards especially primary power primary voltage on the frame can cause serious or fatal electrical shock e Explosive hazards such as a damaged CRT face or a bulging capacitor e Mechanical hazards such as loose or missing hardware To determine whether there are any potentially unsafe conditions use the following checklist at the beginning of every service task Begin the checks with the power off and the power cord disconnected Checklist 1 Check exterior covers for damage loose broken or sharp edges 2 Power off the computer Disconnect the power cord 3 Check the power cord for a A third wire ground connector in good condition Use a meter to measure third wire ground continuity for 0 1 ohm or less between the external ground pin and the frame ground b The power cord should be the type specified in the parts list c Insulation must not be frayed or worn 4 Check for cracked or bulging batteries 5 Remove the cover 6 Check for any obvious non Lenovo alterations Use good judgment as to the safety of any non Lenovo alterations 7 Check inside the unit for any obvious unsafe conditions such as metal filings contamination water or other liquids or signs of fire or smoke damage 8 Check for worn frayed or pinched cables 9 Check that the power supply cover fasteners screws or rivets have not been removed or tampered with Handling devices that are sensitive to electrostatic discharge Any compu
73. ve within that time e If the battery indicator blinks orange indicating that the battery power is low To cause the computer to return from sleep mode and resume the operation do one of the following e Press the Fn key Open the LCD cover e Turn on the power button Also when the time set on the resume timer elapses the computer automatically returns from sleep mode and resumes operation Note The computer does not accept any input immediately after it enters sleep mode Wait a few seconds before taking any action to reenter operation mode Hibernation mode In hibernation mode the following occurs e The system status RAM VRAM and setup data are stored on the hard disk drive e The system is powered off If you have defined one of the following actions as the event that causes the system to go into hibernation mode perform that action Closing the lid e Pressing the power button Also the computer goes into hibernation mode automatically in either of the following conditions 34 Hardware Maintenance Manual e If a hibernation time has been set on the timer and if the user does not do any operation with the keyboard the hard disk drive the parallel connector or the diskette drive within that time e If the timer conditions are satisfied in suspend mode When the power is turned on the computer returns from hibernation mode and resumes operation The hibernation file in the boot record on the
74. vided in the following languages e English e Arabic e Brazilian Portuguese e French German e Hebrew e Japanese e Korean e Spanish e Traditional Chinese CAUTION When laser products such as CD ROMs DVD drives fiber optic devices or transmitters are installed note the following e Do not remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation There are no serviceable parts inside the device e Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure Ac Some laser products contain an embedded Class 3A or Class 3B laser diode Note the following Laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to the beam Chapter 1 Safety information 19 A CD ROM DVD Bay Sal gill o o

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