DELL Latitude 3450
Contents
1. 2 Remove base cover battery hard drive WLAN card system fan keyboard back cover o oo0cw v 3 Perform the following steps as shown in the illustration a Remove the screw that secures the I O board to the system board 1 b Lift the I O board from the system board 2 Installing the I O Board 1 Place the I O board on the computer 2 Tighten the screw to secure the I O board to the computer 3 Install back cover keyboard system fan WLAN card hard drive battery 200050 27 g base cover 4 Follow the procedures in After Working Inside Your computer Removing the Coin Cell Battery 1 Follow the procedures in Before Working Inside Your Computer 2 Remove base cover battery hard drive WLAN card system fan keyboard back cover o o00509w 3 Perform the following steps as shown in the illustration a Disconnect the coin cell cable from the computer 1 b Lift the coin cell battery from the computer 2 ww NMUL gt e bos Installing the Coin Cell Battery 1 Place the Coin cell battery on the computer 2 Connect the coin cell battery cable to the computer 3 Install back cover keyboard system fan WLAN card hard drive battery base cover o 9 ocon0co 4 Follow the procedures in After Working Inside Your computer 28 Removing the Display Assembly 4 Follow the procedures in Before Working Inside Your Computer Re2. 3 Tighten the screw to secure the battery to the computer 4 Install the base cover 5 Follow the procedures in After Working Inside Your computer Removing the Hard Drive 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a base cover b battery 3 Perform the following steps as shown in the illustration a Loosen the screw that secures the hard drive to the computer 1 b Lift the hard drive partially at a 45 degree angle 2 c Slide the hard drive from the computer 3 12 4 Perform the following steps as shown in the illustration a Disconnect the hard drive cable and slide the hard drive 1 b Lift the hard drive from the computer 2 13 Installing the Hard Drive PWN P Connect the hard drive cable Place the hard drive inside the computer Tighten the screw that secures the hard drive to the computer Install a battery b base cover Follow the procedures in After Working Inside Your computer Removing the WLAN Card 1 4 14 Follow the procedures in Before Working Inside Your Computer Remove a base cover b battery Perform the following steps as shown in the illustration a Loosen the screw that secures the WLAN card to the computer 1 b Lift the tab in the direction indicated 2 c Disconnect the cables that connect the WLAN card to the computer 3 Remove the WLAN card from the computer Installing the WLAN C
3. display assembly base cover keyboard system fan WLAN card hard drive battery base cover 207500090 4 Follow the procedures in After Working Inside Your computer Removing the Display Panel 1 Follow the procedures in Before Working Inside Your Computer 2 Remove base cover battery hard drive WLAN card system fan keyboard display assembly display bezel 2o075020ngo 32 3 Perform the following steps as shown in the illustration a Loosen the screws that secure the display panel 1 b Lift the display panel 2 4 Perform the following steps as shown in the illustration a Remove the tape that secures the display panel 1 b Lift the tab 2 5 Perform the following steps as shown in the illustration a Disconnect the display panel cable 1 b Lift the display panel 2 55 Installing the Display panel Connect the display cable to the display panel Affix the tape to secure the display cable Place the display panel on the display assembly Tighten the screws to secure the display panel to the display assembly Se pl mr Install display bezel display assembly back cover keyboard system fan WLAN card hard drive battery base cover TITO TODO 6 Follow the procedures in After Working Inside Your computer Removing the Display Hinge 1 Follow the procedures in Before Working Inside Your Computer Remove base cover batte
4. keyboard back cover heatsink zsa oang 3 Perform the following steps as shown in the illustration a Lift the locking tab 1 b Disconnect the LED and touchpad cables 2 56 4 Perform the following steps as shown in the illustration a Disconnect the speaker cable 1 b Disconnect the power connector 2 5 Perform the following steps as shown in the illustration a Remove the screw that secures the system board to the computer 1 b Lift the system board 2 7 Installing the System Board Nagpnn Pp Install the power connector Place the system board on the computer Tighten the screw to secure the system board to the computer Connect the speaker Connect the LED and touchpad cables Press the locking tab Install heatsink back cover keyboard system fan WLAN card hard drive battery base cover 2o0759onco o Follow the procedures in After Working Inside Your computer Removing the Speakers 58 Follow the procedures in Before Working Inside Your Computer Remove base cover battery hard drive system fan keyboard back cover mman Perform the following steps as shown in the illustration a Disconnect the speaker cables 1 b Unroute the speaker cables 2 4 Remove the speakers from the computer Installing the Speakers Place the speaker in the computer Route the speaker cables Connect the speaker cables PAN PE Instal
5. Option Adapter Warnings Keypad Embedded Numlock Enable Fn Key Emulation Fn Lock Hot Key Fastboot Extended BIOS POST Time Table 10 Virtualization Support Option Virtualization 50 Description NOTE All charging mode may not be available for all the batteries To enable this option disable the Advanced Battery Charge Configuration option Description Allows you to enable or disable the system setup BIOS warning messages when you use certain power adapters Default Setting Enable Adapter Warnings Allows you to choose one of two methods to enable the keypad that is embedded in the internal keyboard e Fn Key Only This option is enabled by default By Numlock Allows you to enable the Numlock option when the computer boots Enable Network This option is enabled by default Allows you to set the option where the lt Scroll Lock gt key is used to simulate the lt Fn gt key feature Enable Fn Key Emulation default Allows the hot key combination lt Fn gt lt Esc gt toggle the primary behavior of F1 F12 between the standard and secondary functions e Lock Mode Disable Standard This option is enabled by default Lock Mode Enable Secondary Allows you to speed up the boot process by bypassing some of the compatibility steps The options are e Minimal e Thorough default e Auto Allows you to create an additional pre boot delay The options are e Oseconds This option is enabled by
6. W 3 34 A 4 62 A 19 50 VDC 59 Feature Temperature range Operating Non Operating Table 27 Physical Physical Height Non touchscreen Touchscreen Width Non touchscreen Touchscreen Depth Non touchscreen Touchscreen Weight minimum Non touchscreen Touchscreen Table 28 Environmental Feature Temperature Description 0 C to 40 C 32 F to 104 F 40 C to 70 C 40 F to 158 F Latitude 3450 22 2 mm 0 87 inches 23 0 mm 0 90 inches 245 9 mm 9 68 inches 246 1 mm 9 69 inches 342 mm 13 46 inches 342 mm 13 46 inches 1 89 kg 4 18 lb 2 04 kg 4 51 lb Description Latitude 3550 22 3 mm 0 88 inches 23 2 mm 0 91 inches 258 95 mm 10 19 inches 259 2 mm 10 20 inches 380 4 mm 14 98 inches 380 4 mm 14 98 inches 2 15 kg 4 75 lb 2 36 kg 5 21 lb Operating Storage Relative humidity maximum Operating Storage Altitude maximum Operating Non Operating Airborne contaminant level 60 0 C to 35 C 32 F to 95 F 40 C to 65 C 40 F to 149 F 10 to 90 non condensing 10 to 95 non condensing 15 2 m to 3048 m 50 to 10 000 ft 0 to 35 C 15 2 m to 10 668 m 50 ft to 35 000 ft Gl as defined by ISA S71 04 1985 6 Contacting Dell K NOTE If you do not have an active Internet connection you can find contact information on your purchase invoice packing slip bill or Dell pro
7. contacts on a card Hold a card by its edges or by its metal mounting bracket Hold a component such as a processor by its edges not by its pins CAUTION When you disconnect a cable pull on its connector or on its pull tab not on the cable itself Some cables have connectors with locking tabs if you are disconnecting this type of cable press in on the locking tabs before you disconnect the cable As you pull connectors apart keep them evenly aligned to avoid bending any connector pins Also before you connect a cable ensure that both connectors are correctly oriented and aligned NOTE The color of your computer and certain components may appear differently than shown in this document To avoid damaging your computer perform the following steps before you begin working inside the computer 1 Ensure that your work surface is flat and clean to prevent the computer cover from being scratched 2 Turn off your computer see Turning off Your Computer e 10 11 If the computer is connected to a docking device docked undock it CAUTION To disconnect a network cable first unplug the cable from your computer and then unplug the cable from the network device Disconnect all network cables from the computer Disconnect your computer and all attached devices from their electrical outlets Close the display and turn the computer upside down on a flat work surface NOTE To avoid damaging the system board you must remove th
8. databases only if the system is in Custom Mode The Enable Custom Mode option is disabled by default The options are e PK e KEK e db e dbx If you enable the Custom Mode the relevant options for PK KEK db and dbx appear The options are e Save to File Saves the key to a user selected file Replace from File Replaces the current key with a key from a user selected file Append from File Adds a key to the current database from a user selected file e Delete Deletes the selected key e Reset All Keys Resets to default setting e Delete All Keys Deletes all the keys NOTE If you disable the Custom Mode all the changes made will be erased and the keys will restore to default settings 47 Table 7 Performance Option Multi Core Support Intel SpeedStep C States Control Intel TurboBoost Hyper Thread Control Table 8 Power Management Option AC Behavior Auto On Time 48 Description This field specifies whether the process will have one or all cores enabled The performance of some applications will improve with the additional cores This option is enabled by default Allows you to enable or disable multi core support for the processor The installed processor supports two cores If you enable Multi Core Support two cores will be enabled If you disable Multi Core Support one core will be enabled e Enable Multi Core Support Default Setting The option is enabled Allows you to enable or di
9. inches x 6 85 inches 1366 x 768 pixels 200 nits 0 closed to Min 135 60 Hz 40 40 10 30 0 265 mm x 0 265 mm Latitude 3550 15 6 inches HD WLED 360 mm 224 5 mm 15 6 inches 344 23 x 193 54 mm 13 55 inches x 7 61 inches 1366 x 768 pixels 200 nits 0 closed to Min 135 60 Hz 40 40 10 30 0 252 mm x 0 252 mm VGA Description US 80 Brazil 82 UK 81 and Japan 84 US 101 Brazil 104 UK 102 and Japan 105 Table 24 Touchpad Feature X axis Y axis Table 25 Battery Feature Type Dimensions Height Width Depth Weight Lifespan Voltage Temperature range Operating Non Operating Coin cell battery Table 26 AC Adapter Feature Type Input voltage Input current maximum Input frequency Output power Output current Rated output voltage Description 102 4 mm 4 03 inches 7 4 mm 3 04 inches Description e cell smart lithium ion 43 WHr e 4 cell smart lithium ion 58 WHr e cell 7 8 mm e 4 cell 7 8 mm e cell 124 7 mm e 4 cell 124 7 mm e cell 208 25 mm e 4 cell 208 25 mm e 3 cell 283 g e 4 cell 350g 300 discharge charge cycles e cell 11 1 VDC e 4 cell 7 4 VDC O C to 50 C 32 F to 122 F 20 C to 65 C 4 F to 149 F 3 V CR2022 lithium ion Description 65 W and 90 W 100 VAC to 240 VAC 1 50 A 1 60 A 1 70 A 2 50 A 50 Hz 60 Hz 65 W 90
10. mode with AC adapter present 55 Specifications K NOTE Offerings may vary by region For more information regarding the configuration of your computer click Start Start icon Help and Support and then select the option to view information about your computer Table 14 System Information Feature DRAM bus width Flash EPROM Table 15 Processor Feature Type L1 cache L2 cache L3 cache Table 16 Memory Feature Memory connector Memory capacity Memory type Minimum memory Maximum memory Table 17 Audio Feature Type Controller Stereo conversion Interface Speakers 56 Description 64 bits 8 MB Description Intel Core i5 and i5 64 KB 256 KB Up to 4 MB Description two internally accessible DDR3L connectors 2 GB 4 GB and 8 GB 1600 MHz dual channel DDR3L configuration 2 GB 16 GB 8x2 GB Description 4 channel high definition audio Realtek ALC3234 24 bit analog to digital and digital to analog Intel HDA bus 2Wx2W 5 Feature Volume controls Table 18 Video Feature Video type Video controller UMA Discrete Latitude 3450 Latitude 3550 Data bus Latitude 3450 Latitude 3550 Table 19 Camera Feature Camera resolution Video resolution maximum Diagonal viewing angle Table 20 Communication Feature Network adapter Wireless Table 21 Ports and Connectors Feature Audio Video Network adapter USB Latitude 3450 Description program men
11. Dell Latitude 3450 Owner s Manual Regulatory Model P51G Regulatory Type P51G001 Notes Cautions and Warnings Es NOTE A NOTE indicates important information that helps you make better use of your computer A CAUTION A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem A WARNING A WARNING indicates a potential for property damage personal injury or death Copyright O 2014 Dell Inc All rights reserved This product is protected by U S and international copyright and intellectual property laws Dell and the Dell logo are trademarks of Dell Inc in the United States and or other jurisdictions All other marks and names mentioned herein may be trademarks of their respective companies 2014 08 Rev ADO Contents 1 Working ori Your Computer ui 5 Before Working Inside Your CompU ter uico rettet tet e iine e e etr tate ntu 5 Turning Off Your GOrmpUter eser tenete rete eet retro e ade bebe e et 6 After Working Inside Your Computer ssssssssssssssssseseeeeee nennt nnmn eren ness nenrrnn nenne ne nein 7 2 Removing and Installing Components esee 8 Recommended3Toolss t oUm det E eL eia Chae 8 Removing the Base COVE ii EI ene P dU No Ga T bh aden aad 8 nstalling the Base COVE icit Ete tee cet eden t i eed D e nt en aed head tts Removing the Battery io eh AA eot ite tee e de ee Pe nstalling the Battery e
12. If USB port is disabled the OS cannot see any device attached to this port e Enable Boot Support Enable External USB Port Enable USB3 0 Controller Option Audio Keyboard Illumination Keyboard Backlight with AC Unobtrusive Mode Miscellaneous Devices Table 4 Video Option LCD Brightness Description NOTE USB keyboard and mouse always work in the BIOS setup irrespective of these settings This field enables or disables the integrated audio controller By default the Enable Audio option is selected This field lets you choose the operating mode of the keyboard illumination feature The keyboard brightness level can be set from 0 to 100 e Disabled e Dim Bright This option is disabled by default The Keyboard Backlight with AC option does not affect the main keyboard illumination feature Keyboard Illumination will continue to support the various illumination levels This field has an effect when the backlight is enabled e Keyboard Backlight with AC This option is disabled by default This option when enabled pressing Fn F7 turns off all light and sound emissions in the system To resume normal operation press Fn F7 again This option is disabled by default Allows you to enable or disable the following devices e Enable Microphone Enable Camera e Enable Media Card Disable Media Card K NOTE All devices are enabled by default You can also enable or disable Media Car
13. Press lt Y gt to save the changes and exit from the System Setup The computer reboots 53 A Diagnostics If you experience a problem with your computer run the ePSA diagnostics before contacting Dell for technical assistance The purpose of running diagnostics is to test your computer s hardware without requiring additional equipment or risking data loss If you are unable to fix the problem yourself service and support personnel can use the diagnostics results to help you solve the problem Enhanced Pre Boot System Assessment ePSA Diagnostics The ePSA diagnostics also known as system diagnostics performs a complete check of your hardware The ePSA is embedded with the BIOS and is launched by the BIOS internally The embedded system diagnostics provides a set of options for particular devices or device groups allowing you to Run tests automatically or in an interactive mode Repeat tests Display or save test results e Run thorough tests to introduce additional test options to provide extra information about the failed device s e View status messages that inform you if tests are completed successfully e View error messages that inform you of problems encountered during testing A CAUTION Use the system diagnostics to test only your computer Using this program with other computers may cause invalid results or error messages K NOTE Some tests for specific devices require user interaction Always ensure that you ar
14. ard pon Place the WLAN card in its slot on the computer Connect the WLAN antenna cables to their connectors on the WLAN Card Press the locking tab Tighten the screw that secures the WLAN card to the computer Install a battery b base cover Follow the procedures in After Working Inside Your computer Removing the System Fan Follow the procedures in Before Working Inside Your Computer Remove a base cover b battery Perform the following steps as shown in the illustration a Lift the locking tab 1 b Disconnect the tape that secures the system fan 2 c Lift the tape that secures the system fan 3 15 4 Perform the following steps as shown in the illustration a Disconnect the fan cable from the computer 1 b Unroute the cable from the slot 2 5 Perform the following steps as shown in the illustration a Loosen the screw that secures the system fan to the computer 1 b Lift the system fan from the computer 2 16 Installing the System Fan N O eR WN ES Place the system fan on its slots in the computer Tighten the screw to secure the system fan to the computer Route the cable to the slot Connect the fan cable to the computer Affix the adhesive tape Press the locking tab Install a battery b base cover Follow the procedures in After Working Inside Your computer Removing the Keyboard 1 Follow the procedures in Before Working Inside Your C
15. at the fold line 20 4 Fold the keyboard backlight second fold cable at the fold line 5 Fold the keyboard backlight third fold cable at the fold line 21 6 Connect the keyboard cable to its connector on the system board 7 Align the keyboard to the palmrest as indicated and press down to snap it into place 8 Press on the sides of the keyboard followed by the locations marked in the picture to firmly seat it 22 9 Press the locations indicated in the picture to complete the keyboard installation 10 Install a Battery b Base Cover Removing the Back Cover 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a base cover b battery c hard drive d system fan e keyboard 3 Flip the computer and remove the screw that secures the palmrest assembly to the system board 23 4 5 24 Perform the following steps as shown in the illustration a b G d Remove the screw that secures the display cable to the computer 1 Lift the tab that secures the display cable to the computer 2 Peel the tape that secures the hard drive connector 3 Disconnect the hard drive connector 4 Perform the following steps as shown in the illustration a b Disconnect the display cable 1 Unroute the cable from the slot 2 6 Perform the following steps as shown in the illustration a Remove the screw that secures the bottom cover to t
16. cedures in Before Working Inside Your Computer 2 Perform the following steps as shown in the illustration a Loosen the captive screws that secure the base cover to the computer 1 b Pry the base cover along the edges to loosen it 2 e 3 Perform the following steps as shown in the illustration a Lift the base cover partially at a 45 degree angle 1 b Remove the base cover from the computer 2 Installing the Base Cover 1 Perform the following steps as shown in the illustration a Align the base cover on the computer 1 b Lower the base cover towards the computer in the direction indicated 2 Ss j Ly MSS 2 Starting from the sides press on the locations indicated by the arrows This will snap the base cover to the computer 3 Tighten the screws that secure the base cover to the computer 4 Follow the procedures in After Working Inside Your computer Removing the Battery 1 Follow the procedures in Before Working Inside Your Computer 2 Remove base cover 3 Perform the following steps as shown in the illustration a Loosen the screw that secures the battery to the computer 1 b Lift the battery 2 4 Lift the battery partially at a 45 degree angle 10 5 Remove the battery from the computer Installing the Battery 1 Place the battery in its slots 2 Pressthe location indicated in the picture to ensure proper connection after installation 11
17. d Description Allows you to set the display brightness depending up on the power source On Battery and On AC K NOTE The Video setting will only be visible when a video card is installed into the system 45 Table 5 Security Option Admin Password System Password Internal HDD 0 Password Strong Password Password Configuration Password Bypass Password Change Non Admin Setup Changes Computrace 46 Description Allows you to set change or delete the administrator admin password K NOTE You must set the admin password before you set the system or hard drive password Deleting the admin password automatically deletes the system password and the hard drive password K NOTE Successful password changes take effect immediately Default Setting Not set Allows you to set change or delete the system password K NOTE Successful password changes take effect immediately Default Setting Not set Allows you to set change or delete the password on the system s internal hard disk drive K NOTE Successful password changes take effect immediately Default Setting Not set Allows you to enforce the option to always set strong passwords Default Setting Enable Strong Password is not selected NOTE If Strong Password is enabled Admin and System passwords must contain at least one uppercase character one lowercase character and be at least 8 characters long Allows you to determine t
18. default e 5seconds e 10 seconds Description Allows you to enable or disable the Intel Virtualization Technology Option Table 11 Wireless Option Wireless Switch Wireless Device Enable Table 12 Maintenance Option Service Tag Asset Tag Table 13 System Logs Option BIOS Events Thermal Events Power Events Description e Enable Intel Virtualization Technology default Description Allows to set the wireless devices that can be controlled by the wireless switch The options are e WLAN e Bluetooth All the options are enabled by default Allows you to enable or disable the internal wireless devices e WLAN e Bluetooth All the options are enabled by default Description Displays the Service Tag of your computer Allows you to create a system asset tag if an asset tag is not already set This option is not set by default Description Allows you to view and clear the System Setup BIOS POST events Allows you to view and clear the System Setup Thermal events Allows you to view and clear the System Setup Power events Updating the BIOS It is recommended to update your BIOS system setup on replacing the system board or if an update is available For laptops ensure that your computer battery is fully charged and connected to a power outlet 1 Re start the computer 2 Go to dell com support 3 Enter the Service Tag or Express Service Code and click Submit Es NOTE To l
19. duct catalog Dell provides several online and telephone based support and service options Availability varies by country and product and some services may not be available in your area To contact Dell for sales technical support or customer service issues 1 2 3 Go to dell com support Select your support category Verify your country or region in the Choose a Country Region drop down list at the bottom of the page Select the appropriate service or support link based on your need 61
20. e Display Hirige iei ete edet er Lese en A ebd EL ert dede ute A ete nde Removing the Cameras on ame due er er y rer dais ada te E RR adea stalling the aaa Removing the Syste Boards ita o a Installing the System BOard e ce ur ea Lasse doses 38 Removing the SPEAK Sinn A a dd 38 Installing the Speakers 2 0 dtc de e a ee een ES gence adas ee cns 39 Removing th Power CONE E et 40 Installing the Power Cometa tt Pe i Ee redadas 41 E AT 42 BOOUSequernee c stem nemen e eet 42 Navigation Keys cert Det i v b ete o Et n e oe ba a e e Ae ER 42 System Setup Options as cre etie eve Locate o a bert cen dos 43 Updating the BIOS aiii e he ee e e ie a is ee eae ee 51 System and Setup PaSSWOrd nissan 52 Assigning a System Password and Setup PaSSWOMKG cceeeeceseeteeeteeeenteeseeeesnresenterentesenteeenteenaas 52 Deleting or Changing an Existing System and or Setup Password 53 ADA GM OSUCS tes cats 54 Enhanced Pre Boot System Assessment ePSA Diagnostics sssssss conan cnnnnncnnno 54 Device Status LIS iii ERU pneedeemwouebsu niae 55 Battery Status Lights toca rette e betonte tet bet edet nde esee ebbe tut t ef ee detal 55 5 Specifications da 56 6 Contacting Dell eret rnt eerte ein dul Sd Caa aeS aaisan Kde qtue 61 Working on Your Computer Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your pe
21. e main battery before you service the computer Remove the main battery Turn the computer top side up Open the display Press the power button to ground the system board CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the display CAUTION Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components Remove any installed ExpressCards or Smart Cards from the appropriate slots Turning Off Your Computer A CAUTION To avoid losing data save and close all open files and exit all open programs before you turn off your computer Shut down the operating system e In Windows 8 1 Using a touch enabled device a Swipe in from the right edge of the screen opening the Charms menu and select Settings l b Select the O and then select Shut down Or l On the Home screen touch the O and then select Shut down Using a mouse a Point to upper right corner of the screen and click Settings b Click the and select Shut down Or l On the Home screen click O and then select Shut down e n Windows 7 1 Click stan 2 Click Shut Down 1 Click stan 2 Click the arrow in the lower right corner of the Start menu a
22. e present at the computer terminal when the diagnostic tests are performed 1 Power on the computer 2 As the computer boots press the lt F12 gt key as the Dell logo appears 3 On the boot menu screen select the Diagnostics option The Enhanced Pre boot System Assessment window is displayed listing all devices detected in the computer The diagnostics starts running the tests on all the detected devices 4 Ifyou wish to run a diagnostic test on a specific device press Esc and click Yes to stop the diagnostic test 5 Select the device from the left pane and click Run Tests 6 If there are any issues error codes are displayed Note the error code and contact Dell 54 Device Status Lights Icon Description Q Turns on when you turn on the computer and blinks when the computer is in a power management mode Turns on steadily or blinks to indicate battery charge status Battery Status Lights If the computer is connected to an electrical outlet the battery light operates as follows Alternately blinking amber light and white light Alternately blinking amber light with steady white light Constantly blinking amber light Light off White light on An unauthenticated or unsupported non Dell AC adapter is attached to your laptop Temporary battery failure with AC adapter present Fatal battery failure with AC adapter present Battery in full charge mode with AC adapter present Battery in charge
23. ee Removing the Hard Drive scenes aie rer t e ree S Ee e e a a eR X pd ae epe aree de tun nstalling the Hard Dres cor rg e Een een inde Removing the WLAN Gatd u eee e ete bere adde e vin dace dot He et nstalling the WLAN Card Removingthe SYSTEM EDI ite te e ese e aao dede lacoste dadas Dietas nstalling thie Systemb Raps de oet eet et o ede pnr fn pent Pep eso odes Removing the Keyboard hh crt dae eclesie de installing the Keyboard s tee A aa Removing the Back COVE vil cede edet d o ad ea v e d es ristalling thie Back Cover d meh rece Henin nese Maeno hei te ute aum Removing the FleatslPlk sus nce tepore rre renean TR a SERE EPOD YR EIER iia stalling the Heat iia rictu ceeds erp en dp a er Pa EE edd du eeu a S ee een des Removirig the OB o tr ptr m tur Tap a dee oleo cti ristallind thel O Board eh eei aia Removing the Coin Cell Battery nstallirig the Concell Battery icen a ere hr ehe ra ede en Ese Tinea Removing the Display Assembly nstalling the Display Assembly cries 2 i feet rere n eR EUREN ERA EORR LIE FERE EAE CORRER Removing the Display Bezel icr ete dte Ao dee eee doo ge ei cere ad nstalling the Display Bezel s eodcm rtt ete e hte ee eoe coe vo desta ice A Removing tne Display Parel ie t ee tee Ed ete te be e pce Pe P HE ELE EE de nstalling the Display Panels ivi 5 tdt echt Hee oe He def ge sett e vac etel Removingithe Display Flitige aoo bee Hee eA ad nstalling th
24. for example optical drive or hard drive During the Power on Self Test POST when the Dell logo appears you can e Access System Setup by pressing F2 key e Bring up the one time boot menu by pressing lt F12 gt key The one time boot menu displays the devices that you can boot from including the diagnostic option The boot menu options are Removable Drive if available e STXXXX Drive K NOTE XXX denotes the SATA drive number Optical Drive e Diagnostics K NOTE Choosing Diagnostics will display the ePSA diagnostics screen The boot sequence screen also displays the option to access the System Setup screen Navigation Keys The following table displays the system setup navigation keys NOTE For most of the system setup options changes that you make are recorded but do not take effect until you re start the system 42 Table 1 Navigation Keys Keys Up arrow Down arrow lt Enter gt Spacebar lt Tab gt lt Esc gt lt F1 gt Navigation Moves to the previous field Moves to the next field Allows you to select a value in the selected field if applicable or follow the link in the field Expands or collapses a drop down list if applicable Moves to the next focus area K NOTE For the standard graphics browser only Moves to the previous page till you view the main screen Pressing lt Esc gt in the main screen displays a message that prompts you to save any unsaved change
25. he computer 1 b Pry the edges of the bottom cover 2 c Lift the back cover 3 Installing the Back Cover Place the back cover on the computer Tighten the screw to secure the back cover to the computer Route the display cable to the slot Connect the display cable Press the tab until the display cable is secured Tighten the screw Connect the hard drive connector and affix the adhesive tape Nog pWN P 25 8 Flip the computer and tighten the screw that secures the palmrest assembly 9 Install keyboard system fan hard drive battery e base cover 10 Follow the procedures in After Working Inside Your computer a0 5 Removing the Heatsink 1 Follow the procedures in Before Working Inside Your Computer 2 Remove base cover battery hard drive WLAN card system fan keyboard back cover o o009w 3 Perform the following steps as shown in the illustration a Loosen the screws that secure the heatsink to the computer 1 b Lift the heatsink from the computer 2 Installing the Heatsink 1 Place the heatsink in its slot on the computer 2 Tighten the screws to secure the heatsink to the computer 3 Install a back cover b keyboard c system fan 26 WLAN card hard drive battery base cover o 02 4 Follow the procedures in After Working Inside Your computer Removing the I O Board 1 Follow the procedures in Before Working Inside Your Computer
26. he minimum and maximum length of Administrator and System passwords Allows you to enable or disable the permission to bypass the System and the Internal HDD password when they are set The options are e Disabled Reboot bypass Default Setting Disabled Allows you to enable the disable permission to the System and Hard Drive passwords when the admin password is set Default Setting Allow Non Admin Password Changes is selected Allows you to determine whether changes to the setup options are allowed when an Administrator Password is set If disabled the setup options are locked by the admin password Allows you to activate or disable the optional Computrace software The options are e Deactivate Option CPU XD Support Admin Setup Lockout Table 6 Secure Boot Option Secure Boot Enable Expert Key Management Description e Disable e Activate NOTE The Activate and Disable options will permanently activate or disable the feature and no further changes will be allowed Deactivate default Allows you to enable the Execute Disable mode of the processor Enable CPU XD Support default Allows you to prevent users from entering Setup when an Administrator password is set Default Setting Enable Admin Setup Lockout is not selected Description This option enables or disables the Secure Boot Feature e Disabled e Enabled Default Setting The option is enabled Allows you to manipulate the security key
27. l base cover keyboard system fan hard drive battery base cover ooco 5 Follow the procedures in After Working Inside Your computer 59 Removing the Power Connector 1 Follow the procedures in Before Working Inside Your Computer 2 Remove base cover battery hard drive WLAN card system fan keyboard back cover display assembly system board 3 Perform the following steps as shown in the illustration mo79o00ncwv a Disconnect the power connector cable 1 b Unroute the cable 2 4 Remove the power connector from the computer 40 Installing the Power Connector Place the power connector on computer Route the power cable Connect the power connector cable BUND Install system board display assembly back cover keyboard system fan WLAN card hard drive battery base cover 5070o009 5 Follow the procedures in After Working Inside Your computer 41 5 System Setup System Setup enables you to manage your computer hardware and specify BIOS level options From the System Setup you can e Change the NVRAM settings after you add or remove hardware View the system hardware configuration e Enable or disable integrated devices e Set performance and power management thresholds e Manage your computer security Boot Sequence Boot Sequence allows you to bypass the System Setup defined boot device order and boot directly to a specific device
28. move base cover battery hard drive WLAN card system fan keyboard back cover Perform the following steps as shown in the illustration amroango a Disconnect the display assembly cable from the computer 1 b Loosen the screw that secures the display assembly 2 c Lift the display assembly from the computer 3 Remove the display assembly from the computer 29 Installing the Display Assembly Place the display assembly on the computer Tighten the screw to secure the display assembly to the computer Press the hinge cap to the computer Connect the display assembly cable to the computer ow M Install back cover keyboard system fan WLAN card hard drive battery base cover o 0on0cow 6 Follow the procedures in After Working Inside Your computer Removing the Display Bezel 1 Follow the procedures in Before Working Inside Your Computer Remove base cover battery hard drive WLAN card system fan keyboard display assembly 3 Pry out right side of the hinge cover o 0oncw 30 4 Pry the left side of the hinge cover 5 Pry the centre hinge cover and lift it from the computer 6 Perform the following steps as shown in the illustration 31 a Prythe edges of the hinge cap 1 b Lift the display hinge 2 Installing the Display Bezel 1 Align the display bezel and snap it in place 2 Connect the display assembly cable 3 Install
29. ocate the Service Tag click Where is my Service Tag 51 NOTE If you cannot find your Service Tag click Detect My Product Proceed with the instructions on screen 4 Ifyou are unable to locate or find the Service Tag click the Product Category of your computer 5 Choose the Product Type from the list 6 Select your computer model and the Product Support page of your computer appears 7 Click Get drivers and click View All Drivers The Drivers and Downloads page opens 8 On the Drivers and Downloads screen under the Operating System drop down list select BIOS 9 Identify the latest BIOS file and click Download File You can also analyze which drivers need an update To do this for your product click Analyze System for Updates and follow the instructions on the screen 10 Select your preferred download method in the Please select your download method below window click Download File The File Download window appears 11 Click Save to save the file on your computer 12 Click Run to install the updated BIOS settings on your computer Follow the instructions on the screen System and Setup Password You can create a system password and a setup password to secure your computer Password Type Description System password Password that you must enter to log on to your system Setup password Password that you must enter to access and make changes to the BIOS settings of your computer A CAUTION The password features pro
30. omputer Remove a base cover b battery Release the keyboard by prying the tabs on the palmrest assembly 17 4 Perform the following steps as shown in the illustration a Lift the keyboard from the computer 1 b Flip the keyboard to access the keyboard cable 2 5 Perform the following steps as shown in the illustration a Lift the locking tab 1 b Disconnect the cable from the locking tab 2 c Disconnect the keyboard cable from the computer 3 18 Installing the Keyboard Procedure K NOTE If you are installing a new keyboard fold the cables the same way they are folded on the old keyboard 1 Slide the keyboard and keyboard backlight cables into the respective connectors and press down the latches to secure the cables 2 Turn the keyboard over slide the tabs on the keyboard into the slots on the palm rest assembly and snap the keyboard into place A CAUTION Do not apply excess pressure while folding the cables The cables on the keyboard are not folded when you receive a replacement keyboard Follow these instructions to fold the cables on the replacement keyboard the same way they are folded on the old keyboard 1 Place the keyboard on a flat and clean surface 19 e 1 keyboard e 2 keyboard backlight cable e 3 keyboard cable A CAUTION Do not apply excess pressure while folding the cables 2 Lift the keyboard cable 3 Gently fold the keyboard backlight cable
31. rsonal safety Unless otherwise noted each procedure included in this document assumes that the following conditions exist e You have read the safety information that shipped with your computer e A component can be replaced or if purchased separately installed by performing the removal procedure in reverse order A A A p A Es WARNING Disconnect all power sources before opening the computer cover or panels After you finish working inside the computer replace all covers panels and screws before connecting to the power source WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance CAUTION Many repairs may only be done by a certified service technician You should only perform troubleshooting and simple repairs as authorized in your product documentation or as directed by the online or telephone service and support team Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow the safety instructions that came with the product CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on the back of the computer CAUTION Handle components and cards with care Do not touch the components or
32. ry hard drive WLAN card system fan keyboard display assembly o 0oncow 34 h display bezel i display panel 3 Perform the following steps as shown in the illustration a Loosen the screws that secure the display hinge 1 b Lift the display hinge 2 e 4 4 Installing the Display Hinge 1 Place the display hinges in its place Tighten the screws to secure the display hinges to the display assembly 3 Install display panel display bezel display assembly back cover keyboard system fan WLAN card hard drive battery base cover TIT5JOr 00050p 4 Follow the procedures in After Working Inside Your computer Removing the Camera 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a base cover b battery 35 c display bezel 3 Perform the following steps as shown in the illustration a Disconnect the camera cable from the connector on the camera module 1 b Lift and remove the camera from the display assembly 2 Installing the Camera 1 Connect the camera cable to the connector on the camera module 2 Align the camera module in its position on the computer 3 Install a display bezel b battery c base cover 4 Follow the procedures in After Working Inside Your computer Removing the System Board 1 Follow the procedures in Before Working Inside Your Computer Remove base cover battery hard drive WLAN card system fan
33. s and restarts the system Displays the System Setup help file System Setup Options NOTE Depending on the computer and its installed devices the items listed in this section may or may not appear Table 2 General Option System Information Battery Information Boot Sequence Description This section lists the primary hardware features of your computer e System Information Displays BIOS Version Service Tag Asset Tag Ownership Tag Ownership Date Manufacture Date and the Express Service Code e Memory Information Displays Memory Installed Memory Available Memory Speed Memory Channels Mode Memory Technology DIMM A Size DIMM B Size Processor Information Displays Processor Type Core Count Processor ID Current Clock Speed Minimum Clock Speed Maximum Clock Speed Processor L2 Cache Processor L5 Cache HT Capable and 64 Bit Technology Device Information Displays Primary Hard Drive LOM MAC Address Video Controller Video BIOS Version Video Memory Panel Type Native Resolution Audio Controller Wi Fi Device Cellular Device Bluetooth Device Displays the battery status and the type of AC adapter connected to the computer Boot Sequence Allows you to change the order in which the computer attempts to find an operating system The options are Diskette Drive e Internal HDD USB Storage Device e CD DVD CD RW Drive Onboard NIC 43 Option Description By default all the option
34. s are checked You can also deselect any option or change the boot order Boot List Option Allows you to change the boot list option Legacy e UEFI Advanced Boot This option allows you the legacy option ROMs to load By default the Enable Legacy Options Option ROMs is enabled Date Time Allows you to change the date and time Table 3 System Configuration Option Integrated NIC SATA Operation Drives SMART Reporting USB Configuration 44 Description Allows you to configure the integrated network controller The options are e Disabled e Enabled Enabled w PXE This option is enabled by default Allows you to configure the internal SATA hard drive controller The options are e Disabled e AHCI This option is enabled by default Allows you to configure the SATA drives on board All drives are enabled by default The options are e SATA O This option is selected by default This field controls whether hard drive errors for integrated drives are reported during system startup This technology is part of the SMART Self Monitoring Analysis and Reporting Technology specification This option is disabled by default e Enable SMART Reporting This field configures the integrated USB controller If Boot Support is enabled the system is allowed to boot any type of USB Mass Storage Devices HDD memory key floppy If USB port is enabled device attached to this port is enabled and available for OS
35. s shown below and then click Shut Down 2 Ensure that the computer and all attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your operating system press and hold the power button for about 6 seconds to turn them off After Working Inside Your Computer After you complete any replacement procedure ensure you connect any external devices cards and cables before turning on your computer A CAUTION To avoid damage to the computer use only the battery designed for this particular Dell computer Do not use batteries designed for other Dell computers 1 Connect any external devices such as a port replicator or media base and replace any cards such as an ExpressCard 2 Connect any telephone or network cables to your computer CAUTION To connect a network cable first plug the cable into the network device and then plug it into the computer 3 Replace the battery 4 Connect your computer and all attached devices to their electrical outlets 5 Turn on your computer Removing and Installing Components This section provides detailed information on how to remove or install the components from your computer Recommended Tools The procedures in this document may require the following tools Small flat blade screwdriver e 0 Phillips screwdriver e 1 Phillips screwdriver Small plastic scribe Removing the Base Cover 1 Follow the pro
36. sable the Intel SpeedStep feature Enable Intel SpeedStep Default Setting The option is enabled Allows you to enable or disable the additional processor sleep states e C states Default Setting The option is enabled Allows you to enable or disable the Intel TurooBoost mode of the processor e Enable Intel TurboBoost Default Setting The option is enabled Allows you to enable or disable the HyperThreading in the processor e Disabled e Enabled Default Setting The option is enabled Description Allows you to enable or disable the computer from turning on automatically when an AC adapter is connected Default Setting Wake on AC is not selected Allows you to set the time at which the computer must turn on automatically The options are e Disabled default Every Day e Weekdays Select Days Option USB Wake Support Wireless Radio Control Wake on LAN WLAN Block Sleep Peak Shift Advanced Battery Charge Configuration Primary Battery Charge Configuration Description Allows you to enable USB devices to wake the system from Standby Es NOTE This feature is only functional when the AC power adapter is connected If the AC power adapter is removed during Standby the system setup will remove power from all of the USB ports to conserve battery power e Enable USB Wake Support Default Setting The option is disabled Allows you to enable or disable the feature that automatically swi
37. tches from wired or wireless networks without depending on the physical connection e Control WLAN Radio Default Setting The option is disabled Allows you to enable or disable the feature that powers on the computer from the Off state when triggered by a LAN signal Disabled This option is enabled by default LAN Only e WLAN Only LAN or WLAN e LAN with PXE Boot This option lets you block entering to sleep S3 state in Operating System environment Block Sleep S3 state This option is disabled by default This option enables you to minimize the AC power consumption during the peak power times of day After you enable this option your system runs only in battery even if the AC is attached This option enables you to maximize the battery health By enabling this option your system uses the standard charging algorithm and other techniques during the non work hours to improve the battery health Disabled default Allows you to select the charging mode for the battery The options are e Adaptive Latitude E5250 e Standard Fully charges your battery at a standard rate e ExpressCharge The battery charges over a shorter period of time using Dell s fast charging technology This option is enabled by default e Primarily AC use Latitude E5250 e Custom Latitude E5250 If Custom Charge is selected you can also configure Custom Charge Start and Custom Charge Stop 49 Option Table 9 POST Behavior
38. u and keyboard media control keys Description ntegrated on system board discrete ntel HD Graphics 4400 shared memory VIDIA GeForce Nvidia GeForce 830M 2GB DDR3 VIDIA GeForce Nvidia GeForce 830M 2GB DDR3 64 bits 64 bits Description 0 92 megapixels 1280 x 720 HD at 30 fps maximum 66 Description 10 100 1000 Mbps Ethernet LAN on Motherboard LOM e Wi Fi 802 11 b g n and 802 11a b g n ac Bluetooth 4 0 Description one headphone microphone combo port headset one 15 pin VGA port one 19 pin HDMI port one RJ 45 port e two USB 3 0 ports rear one with window debug e one USB 2 0 port 57 Feature Latitude 3550 Description e two USB 3 0 ports rear one with window debug e two USB 2 0 ports NOTE The powered USB 3 0 connector also supports Microsoft Kernel Debugging The ports are identified in the documentation shipped with your computer Media card reader Memory Card Reader Fingerprint Reader Table 22 Display Feature Type Height Width Diagonal Active area X Y Maximum resolution Maximum brightness Operating angle Refresh rate Minimum viewing angles Horizontal Vertical Pixel pitch External display Table 23 Keyboard Feature Number of keys Latitude 3450 Latitude 3550 58 one 3 in 1 slot one SD SDHC SDXC MS MS Pro one optional Latitude 3450 14 0 inches HD WLED 205 60 mm 320 90 mm 14 0 inches 309 40 mm x 173 95 mm 12 18
39. vide a basic level of security for the data on your computer CAUTION Anyone can access the data stored on your computer if it is not locked and left unattended K NOTE Your computer is shipped with the system and setup password feature disabled Assigning a System Password and Setup Password You can assign a new System Password and or Setup Password or change an existing System Password and or Setup Password only when Password Status is Unlocked If the Password Status is Locked you cannot change the System Password K NOTE If the password jumper is disabled the existing System Password and Setup Password are deleted and you need not provide the system password to log on to the computer To enter a system setup press lt F2 gt immediately after a power on or re boot 1 In the System BIOS or System Setup screen select System Security and press Enter The System Security screen appears 2 In the System Security screen verify that Password Status is Unlocked 3 Select System Password enter your system password and press lt Enter gt or lt Tab gt 52 M Use the following guidelines to assign the system password A password can have up to 32 characters The password can contain the numbers O through 9 Only lower case letters are valid upper case letters are not allowed e Only the following special characters are allowed space C Q 0 C D AL 0 C Re enter the system password
40. when prompted Type the system password that you entered earlier and click OK Select Setup Password type your system password and press Enter or Tab A message prompts you to re type the setup password Type the setup password that you entered earlier and click OK Press Esc and a message prompts you to save the changes Press Y to save the changes The computer reboots Deleting or Changing an Existing System and or Setup Password Ensure that the Password Status is Unlocked in the System Setup before attempting to delete or change the existing System and or Setup password You cannot delete or change an existing System or Setup password if the Password Status is Locked To enter the System Setup press F2 immediately after a power on or reboot 1 Al In the System BIOS or System Setup screen select System Security and press lt Enter gt The System Security screen is displayed In the System Security screen verify that Password Status is Unlocked Select System Password alter or delete the existing system password and press lt Enter gt or lt Tab gt Select Setup Password alter or delete the existing setup password and press lt Enter gt or lt Tab gt NOTE If you change the System and or Setup password re enter the new password when promoted lf you delete the System and or Setup password confirm the deletion when promoted Press lt Esc gt and a message prompts you to save the changes
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