DELL Latitude E5540
Contents
1. K NOTE The Video setting will only be visible when a video card is installed into the system Table 5 Security Option Description Admin Password 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 System Password Allows you to set change or delete the system password K NOTE Successful password changes take effect immediately Default Setting Not set Internal HDD 1 Password Allows you to set or change the system s internal hard disk drive K NOTE Successful password changes take effect immediately Default Setting Not set Strong Password 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 Password Configuration Allows you to determine the minimum and maximum length of Administrator and System passwords Password Bypass 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 bypa2. C Q 0 C D AL 0 C Re enter the system password when prompted 4 Type the system password that you entered earlier and click OK 5 Select Setup Password type your system password and press Enter or Tab A message prompts you to re type the setup password 6 Type the setup password that you entered earlier and click OK N Press lt Esc gt and a message prompts you to save the changes 8 Press lt Y gt 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 lt F2 gt immediately after a power on or reboot 1 In the System BIOS or System Setup screen select System Security and press lt Enter gt The System Security screen is displayed 2 In the System Security screen verify that Password Status is Unlocked et Select System Password alter or delete the existing system password and press Enter or Tab 4 Select Setup Password alter or delete the existing setup password and press Enter or Tab 49 NOTE If you change the System and or Setup password re enter the new password when promoted If you delete the System and or Setup password confirm the deletion w
3. If Custom Charge is selected you can also configure Custom Charge Start and Custom Charge Stop NOTE All charging mode may not be available for all the batteries To enable this option disable the Advanced Battery Charge Configuration option Allows you to select the type of charge for the battery The options are e Standard Charge e Express Charge This option is enabled by default NOTE Express charge may not be available for all the batteries To enable this option disable the Advanced Battery Charge Configuration option This option if enabled periodically senses the nearby wireless connections while the system is in sleep state You can use this option to synchronize the email or other social media application that are open when the system enters the sleep state 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 45 Option Mouse Touchpad Numlock Enable Fn Key Emulation Mebx Hotkey Fastboot Extended BIOS POST Time Table 10 Virtualization Support Option Virtualization VT for Direct I O 46 Description e Fn Key Only This option is enabled by default e By Numlock NOTE The Keyboard Embedded option is not supported in Latitude E5540 Allows you to define how the
4. Recommended Tools The procedures in this document may require the following tools Small flat blade screwdriver 0 Phillips screwdriver 1 Phillips screwdriver Small plastic scribe System Overview Figure 1 Inside View Back coin cell battery 2 memory modules optical drive 4 WLAN card hard drive Figure 2 Inside view Front 1 I O board right 2 system board 3 status light board 4 speakers 5 ExpressCard cage 6 system fan 7 I O board left 8 display assembly Removing the Battery 1 Follow the procedures in Before Working Inside Your Computer 2 Perform the following steps a Slide the battery release latches into the unlock position b Push and remove the battery from the computer Installing the Battery 1 Slide the battery into its slot until it clicks into place 2 Follow the procedures in After Working Inside Your Computer Removing the SD Card 1 Follow the procedures in Before Working Inside Your Computer 2 Pressin on the SD card to release it from the computer 3 Slide the SD card out of the computer oO e Installing the SD Card 1 Push the SD card into its slot until it clicks into place 2 Follow the procedures in After Working Inside Your Computer Removing the ExpressCard 1 Follow the procedures in Before Working On Your Computer 2 Perform the following steps a Push in on the ExpressCard to release from the computer 1 b Slide the ExpressC
5. 87 keys Brazil 87 keys and Japan 90 keys QWERTY AZERTY Kanji Specification 80 00 mm 3 15 inches 45 00 mm 1 77 inches Specification 4 6 or 9 cell smart lithium ion 20 00 mm 0 79 inch Feature 4 and 6 cell 9 cell Depth 4 and 6 cell 9 cell Weight 4 cell 6 cell 9 cell Voltage 4 cell 6 and 9 cell 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 Temperature range Operating Specification 208 00 mm 8 18 inches 214 00 mm 8 43 inches 48 08 mm 1 89 inches 71 79 mm 2 83 inches 240 00 g 0 53 lb 344 73 g 0 76 lb 508 20 g 1 12 lb 14 8 VDC 11 1 VDC 0 C to 50 C 32 F to 122 F 40 C to 85 C 40 F to 185 F K NOTE The battery pack is capable of safely withstanding the above storage temperatures with 100 charge K NOTE The battery pack is also capable of withstanding storage temperatures from 20 C to 60 C with no degradation in its performance 3 V CR2032 lithium coin cell Latitude E5440 65 W 100 VAC to 240 VAC 1 7 A 50 Hz to 60 Hz 65 W 3 34 A continuous 19 5 1 0 VDC 0 C to 40 C 32 F to 104 F Latitude E5540 90 W adapter 100 VAC to 240 VAC 1 5 A 50 Hz to 60 Hz 90 W 4 62 A continuous 19 5 1 0 VDC 0 C to 40 C 32 F to 1
6. Inside Your Computer Remove SD memory card battery base cover keyboard trim keyboard memory optical drive hard drive WLAN card display hinge palmrest system fan ExpressCard cage system board SS ume EUST Epio 3 Perform the following steps a Remove the speaker cable from the routing channels b Remove the screws that secure the speakers from the computer c Lift and remove the speakers from the computer Installing the Speakers 1 Place the speakers on the computer 2 Secure the speaker cable to the routing channels 3 Tighten the screws to secure the speakers to the computer 4 Install a system board b ExpressCard cage C system fan d palmrest e display hinge f WLAN card g hard drive h optical drive i memory j keyboard k keyboard trim l base cover m battery n SD card 5 Follow the procedures in After Working Inside Your Computer Removing the Status Light Board 1 Follow the procedures in Before Working Inside Your Computer 2 Remove SD card battery base cover keyboard trim keyboard memory optical drive o 0ooncw 34 hard drive hard drive cage WLAN card display hinge palmrest System fan ExpressCard cage system board Speakers 3 Perform the following steps a Remove the screw that secures the LED cover b Un route the status light board cable from its channels 26 5 S qeu e c Remove the screw that secures the status light board a
7. display hinge WLAN card hard drive optical drive memory keyboard keyboard trim base cover battery SD card 4 Follow the procedures in After Working Inside Your Computer 335 RTT TaQr OH AAT Y Removing the I O Board Left 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a SD card b battery C base cover d keyboard trim 29 keyboard memory optical drive hard drive WLAN card display hinge palmrest system fan ExpressCard cage system board S3 Tramo 3 Perform the following steps a Remove the screw that secures the left I O board on the computer b Lift the I O board and remove from the computer Installing the I O Board Left 1 Place the I O board on the computer 2 Tighten the screw to secure the I O board to the computer 3 Install system board ExpressCard cage system fan palmrest display hinge WLAN card hard drive optical drive memory keyboard keyboard trim base cover battery SD card 4 Follow the procedures in After Working Inside Your Computer SPT rsa mom eB mm 30 Removing the I O Board Right 1 Follow the procedures in Before Working Inside Your Computer 2 Remove SD card battery base cover keyboard trim keyboard memory optical drive hard drive WLAN card display hinge palmrest system fan ExpressCard cage n system board RF 7B5po onc 3 3 Perform the following steps a Remove the screws that se
8. in After Working Inside Your Computer bWN Pp Removing the Keyboard 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a battery b keyboard trim 3 Perform the following steps a Remove the screws at the back of the computer and flip the computer over b Remove the screws that secure the keyboard to the computer 4 Perform the following steps a Slide the keyboard and flip the keyboard over 1 and 2 b Disconnect the keyboard cable 1 and 2 and lift the keyboard to remove from the computer 3 14 Installing the Keyboard 1 Connect the keyboard cable to the keyboard Place the keyboard into its place until all the metal tabs fit into their positions Press down on the keyboard to the left and right side ensuring that all the snaps are fully engaged with the computer Install the screws to secure the keyboard to the palmrest Install the screws at the back of the computer Install a keyboard trim b battery Follow the procedures in After Working Inside Your Computer Removing the Base Cover 1 2 3 Follow the procedures in Before Working Inside Your Computer Remove the battery Perform the following steps a Remove the screws that secure the base cover b Pry the base cover towards the front of the computer and remove it from the computer 15 K NOTE You may need a sharp tool to pry the base cover Installing the Base Cover Insert the base c
9. system handles mouse and touch pad input The options are Serial Mouse e PS2 Mouse e Toushpad PS 2 Mouse This option is enabled by default Allows you to enable the Numlock option when the computer boots Enable Network default Allows you to set the option where the Scroll Lock key is used to simulate the Fn key feature Enable Fn Key Emulation default Allows you to specify whether the MEBx Hotkey function should be enabled when the system boots Enable MEBx Hotkey default Allows you to speed up the boot process by bypassing some of the compatibility steps The options are Minimal e Thorough default e Auto Allows you to create an additional pre boot delay The options are e Oseconds e 5 seconds default e 10 seconds Description Allows you to enable or disable the Intel Virtualization Technology Enable Intel Virtualization Technology default Enables or disables the Virtual Machine Monitor VMM from utilizing the additional hardware capabilities provided by Intel Virtualization technology for direct I O Enable VT for Direct I O enabled by default Option Trusted Execution Table 11 Wireless Option Wireless Switch Latitude E5440 Latitude E5540 Wireless Device Enable Latitude E5440 Latitude E5540 Table 12 Maintenance Option Service Tag Asset Tag Description This option specifies whether a Measured Virtual Machine Monitor MVMM can utilize the
10. 04 F 57 Feature Latitude E5440 Non Operating Table 27 Physical Physical Latitude E5440 Touch Non touch Height Front 27 70 mm Front 25 20 mm 1 09 inches 0 99 inch Back 32 20 mm Back 28 65 mm 1 27 inches 1 13 inches Width 338 00 mm 13 31 inches Depth 235 00 mm 9 25 inches Weight 1 99 kg 4 40 lb minimu m Table 28 Environmental Feature Temperature Operating Storage Relative humidity maximum Operating Storage Altitude maximum Operating Non Operating Airborne contaminant level 58 40 C to 70 C 40 F to 158 F Specification Latitude E5540 40 C to 70 C 40 F to 158 F Latitude E5540 Touch Non touch Front 28 25 mm 1 11 inches Front 26 00 mm 1 02 inches Back 33 60 mm 1 32 inches Back 29 70 mm 1 17 inches 379 00 mm 14 92 inches 250 50 mm 9 86 inches 2 42 kg 5 35 lb 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 5 to 95 non condensing 15 24 m to 3048 50 ft to 10 000 ft 15 24 m to 10 668 m 50 ft to 35 000 ft G1 as defined by ISA 71 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 product catalog Dell provides several online and telephone based support and service options Availability varies by country a
11. BIOS settings of 48 your computer AN CAUTION The password features provide 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 Enter or Tab 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 e Only lower case letters are valid upper case letters are not allowed e Only the following special characters are allowed space
12. Connectthe following cables to the system board a power button cable b fingerprint scanner cable C touch pad cable d media button cable 3 Tighten the screws to secure the palmrest at the front and back of the computer 4 Install a display hinge b hard drive C Optical drive d memory e keyboard f keyboard trim g base cover 25 h battery i SD card 5 Follow the procedures in After Working Inside Your Computer Removing the ExpressCard Cage 1 Follow the procedures in Before Working Inside Your Computer 2 Remove SD card battery base cover keyboard trim keyboard display hinge palmrest 3 Perform the following steps a Remove the screws that secure the ExpressCard cage b Lift and remove the ExpressCard cage from the computer Um m i m i i a o 0oncw Installing the ExpressCard Cage 1 Align the ExpressCard cage to its original position on the computer and snap it into place Install the screws that secure the ExpressCard cage to the system board 3 Install a palmrest b display hinge C keyboard d keyboard trim e base cover 24 f battery g SD card 4 Follow the procedures in After Working Inside Your Computer Removing the System Fan 1 Follow the procedures in Before Working Inside Your Computer Remove SD card battery base cover keyboard trim keyboard memory optical drive hard drive hard drive cage display hinge palmrest ccspo o
13. Dell Latitude E5540 Owner s Manual Regulatory Model P44G Regulatory Type P44G001 Notes cautions and warnings K NOTE A NOTE indicates important information that helps you make better use of your computer AN 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 2015 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 2015 3 Rev A04 Contents 1 Working ori Your Combpllter 5 eurer retern etra netta erras tin reae ru ki actae sn einen 5 Before Working Inside Your ComdpU ter uico rettet tert eire e e etr tede nts 5 Turning Off Your Computer eser tener rete eet rer tre e ade eb e e end 6 After Working Inside Your Computer sssssssssssssssssseseeeee senem e innen snnt rrne nenne ne nein 7 2 Removing and Installing Components eene 8 Recommended To9lS2 409 4 7m s eese ust ob emt t b E i eL Mad Ld 8 System OVerview a eee ete Lr diete e Ee tea eter ee m rn irit 8 REMOVING the Battery ecelesie ebore bete o e et an Eee tt E E He Bei e L
14. ER EL 28 nstalling th amp A eatsink sess a EUREN EE aes M 29 Removing the I O Board Left sss ennt eene tnnt 29 nst llirig the I O Board Left aeos ette He eh e een gend 30 Rerrioving thie O Board Riglit etti nee be vei eer ete nore Hera Put Bere 51 installing the I O Board Right hore tt ee ea tide eee ede dns 51 Removing thie Power Connector 3 erbe beret eeu itte p pep en dp tes Cope aes dade Pede shapes 32 nstalling the Power Conriector ics sec seated RP P e re rd aaa 33 Removing the Speakers 3 etat pa o iene Ee EA E deg eh ce b i bi pa e bee 33 nstalling the Speakers decd ds ies epe e diete ert eee e pete dee od Eee e pen 34 Removing the Status Light Board cn scci che ette aie ie e cete eae nie 34 nstalling the StatussLight Baf Aistes ipe dh te eia p Heer apt nels neat tcd net tr 55 ERO uo T 37 Boot Seguente cci metri caet fada e cede PR sets ER RU RR ERR RUND 37 avigatiorr Keys cies cert nen onte E eles e e ERU idan histidine ce anb td 357 SystemiSetup Optl ris ue Ca LH MU M COMO RAE MUI D M Ue LE MIS 58 Wpdating the BIOS oo EC e o ERE bai media qm deme EM 48 System and Setup PassWOtrd i tedisteb stieg deletion ili ka me LECHE LE ERE LATER TEE RR PEE RR RA OUS 48 Assigning a System Password and Setup Password ssssssssse emen 49 Deleting or Changing an Existing System and or Setup Password 49 nabh 51 Enhanced Pre Boot Sy
15. Follow the procedures in After Working Inside Your Computer Removing the Display Hinge 1 2 Follow the procedures in Before Working Inside Your Computer Remove a battery b base cover c keyboard trim d keyboard Perform the following steps a Remove the screws that secure the display hinge at the front and back of the computer b Liftand remove the display hinge from the computer 21 Installing the Display Hinge 1 Place the display hinge on the computer Tighten the screws to secure the display hinge at the front and back of the computer 3 Install a keyboard b keyboard trim C base cover d battery 4 Follow the procedures in After Working Inside Your Computer Removing the Palmrest 1 Follow the procedures in Before Working Inside Your Computer 2 Remove SD card battery base cover keyboard trim keyboard memory optical drive hard drive hard drive cage display hinge prao mean ge 3 Remove the screws at the back of the computer and disconnect a power connector cable 1 and 2 b media buttons cable 1 and 2 c touch pad cable 1 and 2 d fingerprint scanner cable 1 and 2 22 4 Perform the following steps a b Remove the screws that secure the palmrest of the computer Lift and remove the palmrest from the computer Installing the Palmrest 1 Align the palmrest assembly to its original position in the computer and snap it into place 2
16. Some tests for specific devices require user interaction Always ensure that you are 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 If you 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 51 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 9 Turns on when the computer reads or writes data Turns on steadily or blinks to indicate battery charge status qp Turns on when wireless networking is enabled 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 52 An unauthenticated or unsupported non Dell AC adapter is attached to
17. abled 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 If USB port is disabled the OS cannot see any device attached to this port e Enable Boot Support e Enable External USB Port e Enable USB3 0 Controller 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 25 to 100 Disabled e Levelis 25 e Levelis 50 e Level is 75 e Levelis 100 This option is enabled by default This option when enabled pressing Fn B turns of all light and sound emissions in the system To resume normal operation press Fn B again This option is Disabled by default Allows you to enable or disable the following devices e Enable Microphone e Enable Camera e Enable Express card e Enable Hard Drive Free Fall Protection e Enable Media Card e Disable Media Card K NOTE All devices are enabled by default Option Description You can also enable or disable Media Card Table 4 Video Option Description LCD Brightness Allows you to set the display brightness depending up on the power source On Battery and On AC
18. additional hardware capabilities provided by Intel Trusted Execution Technology The TPM virtualization Technology and Virtualization technology for direct I O must be enabled to use this feature Trusted Execution disabled by default Description Allows to set the wireless devices that can be controlled by the wireless switch The options are e WWAN e WLAN e WiGig Bluetooth All the options are enabled by default e WLAN e WiGig Bluetooth All the options are enabled by default Allows you to enable or disable the internal wireless devices e WWAN e WLAN WiGig e Bluetooth All the options are enabled by default e WLAN WiGig 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 47 Table 13 System Logs Option Description BIOS Events Allows you to view and clear the System Setup BIOS POST events Thermal Events Allows you to view and clear the System Setup Thermal events Power 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 Goto dell com supp
19. additional processor sleep states Default Setting The option C states is enabled Allows you to enable or disable the Intel TurboBoost mode of the processor Default Setting Enable Intel TurboBoost 43 Option Hyper Thread Control Rapid Start Technology Table 8 Power Management Option AC Behavior Auto On Time USB Wake Support Wireless Radio Control Wake on LAN WLAN 44 Description Allows you to enable or disable the HyperThreading in the processor Default Setting Enabled This option might improve the battery life by automatically putting the computer in to a low power state during Sleep after a user specified amount of time Default Setting Disabled 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 Allows you to enable USB devices to wake the system from Standby K 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 e DEnable USB Wake Support is not selected Allows you to enable or disable the feature that automatically
20. ard out of the computer 2 10 Installing the ExpressCard 1 Slide the ExpressCard in its slot until it clicks in place 2 Follow the procedures in After Working Inside Your Computer Removing the Display Bezel 1 Follow the procedures in Before Working Inside Your Computer Remove the battery 3 Perform the following steps a Pry up the bottom edge of the display bezel b Work your way around the sides and top edge of the display bezel 4 Remove the display bezel from the computer Installing the Display Bezel 1 Place the display bezel onto the display assembly 2 Starting from the top corner press on the display bezel and work around the entire bezel until it snaps onto the display assembly 3 Install the battery 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 11 a battery b display bezel 3 Remove the screws that secure the display panel and flip the panel over 4 Perform the following steps a Lift the mylar tape and disconnect the low voltage differential signaling LVDS cable from the back of the display panel b Remove the display panel from the display assembly Installing the Display Panel Place the display panel to the display assembly Align the display panel in its original position Connect the low voltage differential signaling LVDS cable to th
21. cure the I O board on the computer b Lift the I O board and remove from the computer Installing the I O Board Right 1 Place the I O board on the computer 2 Tighten the screws to secure the I O board to the computer 3 Install a system board b ExpressCard cage C System fan d palmrest e display hinge 31 WLAN card hard drive optical drive memory keyboard keyboard trim base cover battery SD card 4 Follow the procedures in After Working Inside Your Computer ee eur See Removing the Power Connector 1 Follow the procedures in Before Working Inside Your Computer 2 Remove SD card battery base cover keyboard trim keyboard memory hard drive optical drive WLAN card display hinge palmrest ExpressCard cage system fan system board PRT RTT TFQr H AAT YD 3 Perform the following steps a Remove the power connector cable from the routing channels b Lift and remove the power connector from the computer 32 Installing the Power Connector 1 Place the power connector on its place in the computer Route the power connector cable on its routing channels 3 Install system board system fan ExpressCard cage palmrest display hinge WLAN card hard drive optical drive memory keyboard keyboard trim base cover battery SD card 4 Follow the procedures in After Working Inside Your Computer 5 AS Rae NM gY Removing the Speakers 1 Follow the procedures in Before Working
22. e display panel and attach the tape Flip the display panel over and tighten the screws to secure the display panel vi rPwWwn Pp Install a display bezel b battery 6 Follow the procedures in After Working Inside Your Computer 12 Removing the Camera 1 Follow the procedures in Before Working Inside Your Computer Remove a battery b display bezel Perform the following steps a Remove the screw that secures the camera and microphone module b Disconnect the camera cable C Lift and remove the camera and microphone module Installing the Camera PWN bP Place the camera and microphone module on its place Connect the camera cable Tighten the screw to secure the camera and microphone module Install a display bezel b battery Follow the procedures in After Working Inside Your Computer Removing the Keyboard Trim 1 Follow the procedures in Before Working Inside Your Computer Remove the battery Perform the following steps a Remove the screw that secures the keyboard trim at the back of the computer b Pry up the keyboard trim on its sides and the top edge c Lift upwards and remove the keyboard trim from the computer 13 Installing the Keyboard Trim Align the keyboard trim to its place Press along the sides of the keyboard trim until it snaps in place Tighten the screw at the back of the computer to secure the keyboard trim Install the battery Follow the procedures
23. e system board 5 Perform the following steps a Remove the screws that secure the system board on the computer b Lift and remove the system board from the computer Installing the System Board 1 Align the system board into its original position on the computer 2 Replace and tighten the screws to secure the system board to the computer 3 Connect the following cables a I O board cable b status light board cable 4 Turn over the computer and connect a coin cell battery cable b power connector cable C speaker cable 5 Install 27 ExpressCard cage system fan palmrest display hinge WLAN card hard drive cage hard drive optical drive memory keyboard keyboard trim base cover battery SD card 6 Follow the procedures in After Working Inside Your Computer Sr A CCP Sa pa noo Removing the Heatsink 1 Follow the procedures in Before Working Inside Your Computer Remove SD card battery base cover keyboard trim keyboard memory optical drive hard drive WLAN card display hinge palmrest system fan ExpressCard cage system board 54 Air Se oon eo 3 Perform the following steps a Remove the screws that secure the heatsink in place b Lift to remove the heatsink from the computer 28 Installing the Heatsink 1 Place the heatsink on the system board Tighten the screws to secure the heatsink to the computer 3 Install system board ExpressCard cage system fan palmrest
24. ee taeda beat do nstallingsthe Battery ue Ye o ere t ie te e ee d a eb ee e do Removing the SD Card nstallirig the SD Cards iie tib e d RP ERE PUER PA UAR EROR tein needed Removing the ExpressCard zi e eR ED bee a dp aM eg a tied stalling thie ExpressGatrd s ice ts e e e e n e deb pb be a a Removing the Display Bezel nstalling the Display Bezel iiit e a rect iot ege E peda a Taa aaa aa AATA Removing the Display Patnel aee t eie te tpe eq ter ventu EE nS n nstalling the Display Panel o i ig ne ee tee nas ied uc e ne Removing the Cameras suci ne e ee t Rer ER rep Rate ed Rr Reed e gei de ETE nstallirig thie Camera ede od reet ee e Hee Ah HER HR HE LR o eid Removing the Keyboard EI us ct o tm tm eee i ee dh edu pare tee nstalling the Keyboatd EEIETE a stoves esses edt rte a tee Lo ar dO Pai cee Removing the Keyboard eerte RET HERE ER HR TERRE ane Lad He ER Re d Ede ea Lee e d nstallingtheKeyDboOat uo M eset ree nude erre e ee ee x duet eee aede donde edu Removing thie Base COVer iui pe e ee oM tug addi de ades iet ee ah nstalling the Base COVGE iot ase bee cendi ete tee ten Hed lee aee etel tace dus bt e atenta Removing the Memory Module be net e ette eater eer ee e Mee ide de nstalling the Memory Module Removing the Hard DV eer rr mi abr ae d n ee ente pared nre dae one pe dn nstalling the Hard Dresses tpe e eor tbe e enn hae canbe aue ries bee iene Removing the Hard DrivexGage ede eie peter qt uer eee ENE E a n
25. egacy Option ROMs is unchecked Allows you to change the date and time Table 3 System Configuration Option Integrated NIC Parallel Port Serial Port SATA Operation Drives 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 parallel port on the docking station The options are e Disabled AT This option is enabled by default e PS2 e ECP Allows you to configure the integrated serial port The options are e Disabled e COMI This option is enabled by default e COM2 e COM3 e COMA Allows you to configure the internal SATA hard drive controller The options are e Disabled e AHCI e RAID On 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 0 e SATA 1 e SATA 2 39 Option SMART Reporting USB Configuration Audio Keyboard Illumination Unobtrusive Mode Miscellaneous Devices 40 Description e SATA 3 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 en
26. es or disables the Secure Boot Feature e Disable default Option Expert Key Management Table 7 Performance Option Multi Core Support Intel SpeedStep C States Control Intel TurboBoost Description Enable Allows you to manipulate the security key 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 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 options are e All e 1 e 2 Default Setting All Allows you to enable or disable the Intel SpeedStep feature Default Setting Enable Intel SpeedStep gt lows you to enable or disable the
27. et Insert the optical drive into the computer Tighten the screw to secure the optical drive in its place Our ONSE Install a base cover b battery 7 Follow the procedures in After Working Inside Your Computer Removing the WLAN Card 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a battery b base cover 3 Perform the following steps a Disconnect the antennae cables from the WLAN card b Remove the screw that secures the WLAN card to the computer c Remove the WLAN card from its slot on the system board Installing the WLAN Card 1 Insert the WLAN card into its connector on the system board 2 Connect the antenna cables to the respective connectors marked on the WLAN card 3 Tighten the screw to secure the WLAN card to the computer 20 4 5 Install a base cover b battery Follow the procedures in After Working Inside Your Computer Removing the Coin Cell Battery 1 2 Follow the procedures in Before Working Inside Your Computer Remove a battery b base cover Perform the following steps a Disconnect the coin cell battery cable from the system board b Pry and remove the coin cell battery from the adhesive 4 Installing the Coin Cell Battery 1 4 Place the coin cell battery on the system board with adhesive side downwards Connect the coin cell battery cable to the system board Install a base cover b battery
28. hen promoted 5 Press Esc and a message prompts you to save the changes 6 Press Y to save the changes and exit from the System Setup The computer reboots 50 4 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 e Run tests automatically or in an interactive mode e 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 AN 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
29. ight corner of the screen and click Settings l b Click the O and select Shut down e n Windows 7 1 Click start 2 Click Shut Down or 1 Click stan 2 Click the arrow in the lower right corner of the Start menu as shown below and then click 9 a 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 4 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 battery slice 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
30. in USB 2 0 compliant connector E5440 e two 4 pin USB 2 0 compliant connectors E5540 K NOTE The USB 2 0 connector at the back of the Latitude E5540 computer gets deactivated when the Latitude E5540 computer is connected to the docking station two USB 3 0 compliant connectors one 8 in 1 memory card reader one one E5440 only Specification e HD 1366x768 WLED e HD 1600 x 900 e HD 1366x768 WLED e FHD 1920 x 1080 14 0 15 6 192 5 mm 7 57 inches 324 mm 12 75 inches 355 60 mm 14 00 inches 309 40 mm x 173 95 mm e 1366 x 768 pixels e 1600 x 900 pixels 200 nits 210 mm 8 26 inches 360 mm 14 17 inches 394 24 mm 15 60 inches 55 Feature Active area X Y Maximum resolution Maximum Brightness Operating angle Refresh rate Minimum Viewing angles Horizontal Vertical Pixel pitch Latitude E5440 Latitude E5540 Table 23 Keyboard Feature Number of keys Layout Table 24 Touchpad Feature Active Area X axis Y axis Table 25 Battery Feature Type Dimensions Height 4 6 and 9 cell Width 56 Specification 344 23 mm x 193 54 mm 1566 x 768 pixels e 1920 x 1080 pixels 220 nits for HD 500 nits for FHD 0 closed to 135 60 Hz e 40 for HD e 60 for FHD e 10 30 for HD e 50 for FHD 0 2265 mm x 0 2265 mm e 0 2520 mm x 0 2520 mm for HD e 0 1790 x 0 1790 for FHD Specification United States 86 keys United Kingdom
31. ion The boot menu options are e 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 37 Table 1 Navigation Keys Keys Up arrow Down arrow Enter Spacebar Tab Esc F1 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 changes 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 38 Description This section list
32. nd lift to remove the status light board from the computer f Installing the Status Light Board Place the status light board on its place on the computer Connect the status light board cable to its connector Tighten the screw to secure the status light board on the computer Place the LED cover on the status light board A AN E 35 36 Install GS 3 eS Ue Soto B ue speakers system board system fan ExpressCard cage palmrest display hinge WLAN card hard drive optical drive memory keyboard keyboard trim base cover battery SD card Follow the procedures in After Working Inside Your Computer 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 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 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 opt
33. nd 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 59
34. ocedures in After Working Inside Your Computer Removing the Hard Drive Cage 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a battery b base cover C hard drive 3 Perform the following steps a Remove the screws that secure the hard drive cage in place b Pull the hard drive cage to remove from the computer 18 Installing the Hard Drive Cage 1 Place the hard drive cage on its place 2 Tighten the screws to secure the hard drive cage 3 Install a hard drive b base cover C battery 4 Follow the procedures in After Working Inside Your Computer Removing the Optical Drive 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a battery b base cover 3 Perform the following steps a Remove the screw that secures the optical drive to the computer b Push the optical drive away to remove it from the computer 4 After removing the optical drive bracket perform the following steps a Remove the screws that secure the optical drive bracket 1 b Remove the optical drive bracket from the optical drive 2 19 5 Disengage the optical drive bezel tabs to separate the optical drive bezel from the optical drive 6 Remove the optical drive bezel Installing the Optical Drive Engage the optical drive bezel tabs to attach the optical drive bezel to the optical drive Install the optical drive bracket Tighten the screws to secure the optical drive brack
35. oduct 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 gt CAUTION Handle components and cards with care Do not touch the components or 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 gt A 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 K 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 Turn off your computer see Turning Off Your Computer 3 Ifthe computer is connected to a docking device docked such as the optional Media Base or Battery Slice undock it CAUTION To disconnect a network cable first unplug the cable from
36. oncw 3 Perform the following steps a Disconnect the I O board cable and system fan cable 1 and 2 b Remove the screws that secure the system fan and lift to remove the system fan from the computer ENE EC so vs EE Ce uM Xe A RN NETT OW o a ENG N E i u i T s y Wr SA Wb p d mU i 1 Wes c E aa Y 2 Installing the System Fan Place the system fan on the computer Connect the system fan cable to the system board Connect the I O board cable to its connector Tighten the screws to secure the system fan on the computer Mic UA Nee Install a palmrest b display hinge c memory d hard drive 25 optical drive keyboard keyboard trim base cover battery SD card 6 Follow the procedures in After Working Inside Your Computer oP Sie pha Removing the System Board 1 Follow the procedures in Before Working Inside Your Computer 2 Remove SD card battery base cover keyboard trim keyboard memory optical drive hard drive hard drive cage WLAN card display hinge palmrest System fan n ExpressCard cage RF 7 7Bs5o 9 20c0 3 3 Disconnect a coin cell battery cable b power connector cable C speaker cable 26 4 Flip the computer and perform the following steps a Remove the screws that secure the display cable connector and remove it from the system board b Disconnect the display cable and status light board cable from th
37. ort 3 Enter the Service Tag or Express Service Code and click Submit K NOTE To locate the Service Tag click Where is my Service Tag 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
38. over into its slot until it clicks into place Tighten the screws to secure the base cover to the computer Install the battery Follow the procedures in After Working Inside Your Computer BUND Removing the Memory Module 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a battery b base cover 3 Pry the retention clips away from the memory module until it pops up 4 Liftup the memory module and remove it from the computer ow we A Installing the Memory Module 1 Insert the memory into the memory socket 2 Pressthe clips to secure the memory module to the system board 16 Install a base cover b battery 4 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 battery b base cover 3 Perform the following steps a Remove the screws that secure the hard drive in place b Pull the hard drive to remove from its connectors 4 After removing the hard drive perform the following steps a Remove the screws that secure the hard drive bracket b Remove the hard drive bracket from the hard drive 17 Installing the Hard Drive 1 Place the hard drive bracket on the hard drive and tighten the screws to secure the hard drive bracket to the hard drive 2 Place the hard drive on its connector 3 Install a base cover b battery 4 Follow the pr
39. r amplifier Volume controls Table 19 Video Feature Type Controller UMA Discrete Table 20 Communications Feature Network adapter Wireless Table 21 Ports and Connectors Feature Audio optional Video Network adapter 54 Specification e Supports mSATA and WWAN on Latitude E5440 e Supports mSATA on Latitude E5540 Specification four channel high definition audio Realtek ALC3226 24 bit analog to digital and digital to analog high definition audio microphone in stereo headphones external speakers connector two 1W RMS per channel hot keys for volume control and mute control Specification integrated on system board Intel HD Graphics 4600 Nvidia GeForce N14M GE Discrete Graphics Card 2 GB Graphics Specification 10 100 1000 Mb s Ethernet RJ 45 e Internal wireless local area network WLAN e Wireless wide area network WWAN E5440 only Specification one microphone stereo headphone speakers connector e one 15 pin VGA connector e 19 pin HDMI connector one RJ 45 connector Feature USB 2 0 USB 3 0 Memory card reader Docking port Subscriber Identity Module SIM port Table 22 Display Feature Type Latitude E5440 Latitude E5540 Size Latitude E5440 Latitude E5540 Dimensions Latitude E5440 Height Width Diagonal Active ares X Y Maximum resolution Maximum Brightness Latitude E5540 Height Width Diagonal Specification e one 4 p
40. s 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 ASize DIMM B Size e 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 MiniCard Device ODD Device Dock eSATA Device LOM MAC Address Video Controller Video BIOS Version Video Memory Panel Type Native Resolution Audio Controller Wi Fi Device WiGig 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 Option Advanced Boot Options Date Time Description By default all the options 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 This option allows you the legacy option ROMs to load By default the Enable L
41. ss 41 Option Password Change Non Admin Setup Changes TPM Security Computrace CPU XD Support OROM Keyboard Access Admin Setup Lockout Table 6 Secure Boot Option Secure Boot Enable 42 Description 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 enable the Trusted Platform Module TPM during POST Default Setting The option is disabled Allows you to activate or disable the optional Computrace software The options are e Deactivate 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 set an option to enter the Option ROM Configuration screens using hotkeys during boot The options are e Enable e One Time Enable e Disable Default Setting Enable 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 enabl
42. stalling the Hard Drive Cage ccccccccccceessceeeeeeneceecenaceececedeeeeseaeesesenaaceccasaeesedeneeeeeeeneeeeeseaeeeeseneees Removing the Optical DIVE sut eite tns tut fel etel tib dens ev ap t n baden Llc baa tta aede stalling the Optical Drives na rr a ea a s aae e e dede Removing the WLAN Card 3 1n RO den agent a onde a de ione D ace ets nstallirdg the WEAN Card s tor rii om eR PE RED EUR EAR ERA IE e DEREN Uds e RR aes dente Remowvirig the Coins Cell Battery aaa a a N UR DERE HA RAN RA RERE LS STRE Xn nstalling the Coin Cell Battery 2 2 die teret e a ilie R moving the DisplaycElingez is i er RR E ME stad iesneneeeuauaeenenarte 21 ristallirng the Display Hirige ui nte eere e a e d P Pee ide deg 22 Removing tlie Palmifest s cem catt end m erp eet te eh er o eateries Eee deba eto et ela 22 nstalling the P lmirest do NER Re e eo e Tee a e 235 Removing tHie ExpressCatrd C ag8 utue oe reete referre eer e eat eg tudine eser dea rera 24 nstalling the ExpressCard Cage ssssssssssssssssssssssseeeeeeeee eere s enne r rne n nere n enr nnns nnns 24 Removing the Systerr Farid eie RE RD beoe e e e I Re ag ead ee 25 nst lling the System ari eso ione eee ortu e t editae ette Sees es es 25 Removing the System Bo rd deer e d ee det iie e n t deett ea 26 nstalling the System BOSE emet ee t e e m i Eu e Eb b alia 27 Removing th Heatsinks aie ter er recede Late desde ete Le ee fr E
43. stem Assessment ePSA Diagnostics sssssse 51 Device Status Lights 2 dc een Tae EDEN ERU 52 Battery Status LEighits ex ette eet tede a dat etd tede tenete testetur tut 52 5 Specifications susci ficiis bun urat E qe TUR E XXE aieebians 53 6 Contacting Dell err retten ere etui s dita tel tena Peirus iu 59 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 personal 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 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 A 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 pr
44. switches from wired or wireless networks without depending on the physical connection e Control WLAN Radio e Control WWAN Radio e Control WLAN radio or Control WWAN radio is not selected default 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 Option Block Sleep Peak Shift Advanced Battery Charge Configuration Primary Battery Charge Configuration Battery Slice Charge Configuration Intel Smart Connect Technology Table 9 POST Behavior Option Adapter Warnings Keypad Embedded Description 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 Standard e ExpressCharge This option is enabled by default e Primarily AC use e Custom
45. 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 mode with AC adapter present o 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 Specification DRAM bus width 64 bit Flash EPROM SPI 32Mbits 64Mbits PCle Gen1 bus 100 MHz External Bus Frequency DMI 5GT s Table 15 Processor Feature Specification Types Intel Core i5 series e Intel Core i5 series e Intel Core i7 series L3 cache up to 8 MB Table 16 Memory Feature Specification Memory connector two SoDIMM slots Memory module capacity per slot 4 GB 8 GB Memory type DDR3 SDRAM 1600 Mhz Minimum memory 4 GB Maximum memory 16 GB Table 17 mSATA Support Feature Specification with Express Card I O and Discrete Graphic No mSATA support on both Latitude E5440 and Latitude Configuration E5540 for other configurations mSATA is supported on both Latitude E5440 and Latitude E5540 55 Feature without Express Card I O on Discrete Graphic and all UMA Graphic Configurations Table 18 Audio Feature Type Controller Stereo conversion Interface Internal External Speakers Internal speake
46. your computer and then unplug the cable from the network device 4 Disconnect all network cables from the computer e Disconnect your computer and all attached devices from their electrical outlets 6 Close the display and turn the computer upside down on a flat work surface NOTE To avoid damaging the system board you must remove the main battery before you service the computer 7 Remove the main battery eo Turn the computer top side up 9 Open the display 10 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 11 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 1 Shut down the operating system e In Windows 8 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 Using a mouse a Point to upper r
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