Page 7 - Troubleshooting; Troubleshooting Tools; Diagnostic Lights
Dell ™ Latitude™ E6400 XFR Service Manual Page 7 1 Troubleshooting 1.1 Troubleshooting Tools 1.1.1 Diagnostic Lights CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. Your computer has three keyboard status lights located...
Page 8 - Hardware Troubleshooter; Dell Diagnostics
Dell ™ Latitude™ E6400 XFR Service Manual Page 8 System board failure has occurred. Contact Dell Support. A possible processor failure has occurred. Reseat the processor (see Processor Module). If the problem persists, contact Dell Support. A possible graphics card/video failure has occurred. Reseat...
Page 12 - Error Messages; Solving Problems
Dell ™ Latitude™ E6400 XFR Service Manual Page 12 1.1.4 Error Messages CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. If the error message is not listed, see the documentation for the operating system or the program th...
Page 14 - Lockups and Software Problems
Dell ™ Latitude™ E6400 XFR Service Manual Page 14 Hard Drive Problems RUN CHECK DISK — Windows XP: 1. Click Start and click My Computer. 2. Right-click Local Disk C:. 3. Click Properties → Tools → Check Now. 4. Click Scan for and attempt recovery of bad sectors and click Start. Windows Vista: 1. Cli...
Page 16 - Memory Problems; Sound and Speaker Problems
Dell ™ Latitude™ E6400 XFR Service Manual Page 16 SAVE AND CLOSE ANY OPEN FILES OR PROGRAMS AND SHUT DOWN YOUR COMPUTER THROUGH THE START MENU 1.2.5 Memory Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. IF YOU...
Page 17 - Video and Display Problems; Dell Technical Update Service
Dell ™ Latitude™ E6400 XFR Service Manual Page 17 ELIMINATE POSSIBLE INTERFERENCE — Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference. RUN THE HARDWARE TROUBLESHOOTER — See Hardware Troubleshooter. No Sound From Headphones CHECK THE HEADPHONE CABLE CONNECTION — Ens...
Page 18 - Working on Your Computer; Recommended Tools
Dell ™ Latitude™ E6400 XFR Service Manual Page 18 Accessing the Dell Support Utility Access the Dell Support Utility from the icon on the taskbar or from the Start menu. If the Dell Support icon does not appear in your taskbar: 1. Click Start → All Programs → Dell Support → Dell Support Settings. 2....
Page 20 - After Working On Your Computer
Dell ™ Latitude™ E6400 XFR Service Manual Page 20 9. Disconnect any external devices and remove any installed cards before working on your computer: • To remove any installed cards, such as an ExpressCard Card, see the Dell™ Technology Guide on your computer or at support.dell.com. • To undock from ...
Page 21 - Screw Chart
Dell ™ Latitude™ E6400 XFR Service Manual Page 21 3 Screw Chart S. no Screw p/n Screw Image Used Assy p/n Description Qty/ Assy Total Qty 1 SCR,PHH,PNH,M2X3,STL, BLK OXD,NYLOK 21010 ‐ 01 ASSY,DOOR,BTRY,BLK,CYN 7 2101...
Page 22 - Bottom Access Panel; Removing the Bottom Access Panel
Dell ™ Latitude™ E6400 XFR Service Manual Page 22 3 SCR,PHH,PNH,M2.5X8,STL,BLK OXD,NYLOK 21900 ‐ 10 BASE,DSC,PCMCIA,FPR,BLK, CYN 20 21000 ‐ 03 ASSY,CHASSIS,BASE,DSC, PRC, PCMCIA, BLK,CYN 2 21106 ‐ 02 21030 ‐ 01 ASSY,HDL,B...
Page 23 - Replacing the Bottom Access Panel
Dell ™ Latitude™ E6400 XFR Service Manual Page 23 NOTE: No snaps are used to attach the bottom access panel to the base. There is a gasket attached to the perimeter of the bottom access panel, and this gasket might provide some resistance during removal. 1 M2.5 x 5mm screws (21) 2 Bottom of computer...
Page 25 - WWAN Card; Removing a WWAN Card
Dell ™ Latitude™ E6400 XFR Service Manual Page 25 1 WLAN card 2 Grey antenna cable 3 Holder by card 4 White antenna cable 5 Black antenna cable If the card has three triangles on the label (white, black, and gray), connect the white antenna cable to the white triangle, connect the black antenna cabl...
Page 26 - Replacing a WWAN Card
Dell ™ Latitude™ E6400 XFR Service Manual Page 26 5. Slide the card out of the card connector on the system board. 1 WWAN card 2 Card connector 6.2 Replacing a WWAN Card NOTICE: The connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors on the card and on the ...
Page 28 - FCM; Removing a FCM from the WWAN/FCM Slot
Dell ™ Latitude™ E6400 XFR Service Manual Page 28 NOTE: The insertion of the card is considered a blind insert since the connector is not visible. Please take proper precautions during assembly to verify connection is set before securing the card. 2. Press the card down and hold it in place. 3. Repl...
Page 29 - Replacing a FCM
Dell ™ Latitude™ E6400 XFR Service Manual Page 29 1 M2 x 3-mm screw 2 Card connector 3 FCM 8.3 Replacing a FCM NOTICE: When installing this module, ensure that the antenna cables are not under the card. Place the antenna cables in the holder next to the module. Installing the module on top of these ...
Page 30 - RF Passthru Board; Removing the RF Passthru Board; Replacing the RF Passthru Board
Dell ™ Latitude™ E6400 XFR Service Manual Page 30 9 RF Passthru Board 9.1 Removing the RF Passthru Board CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. 1. Follow the procedures in Before Working on Your Computer. 2. Re...
Page 31 - Fan Assembly; Removing the Fan Assembly
Dell ™ Latitude™ E6400 XFR Service Manual Page 31 3. Connect the antenna connections to the RF Passthru board. J1 Black – WLAN (to WLAN card) J2 Black/Red Sleeve – GPS (to GPS card) J3 Black/Grey Sleeve – WWAN (to WWAN card) J4 Black – WLAN (from LCD panel antenna) J5 Black/Grey – WWAN (from LCD pan...
Page 32 - Replacing the Fan Assembly; Processor Heatsink Assembly; Removing the Processor Heatsink Assembly
Dell ™ Latitude™ E6400 XFR Service Manual Page 32 4. Disconnect the fan cable from the system board. 1 Fan 2 Fan cable 5. Lift the fan straight up to remove it. 10.2 Replacing the Fan Assembly CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shippe...
Page 33 - Replacing the Processor Heatsink Assembly; Processor Module; Removing the Processor Module
Dell ™ Latitude™ E6400 XFR Service Manual Page 33 1 Captive screws (4) 2 Radiator 3 Processor plate 11.2 Replacing the Processor Heatsink Assembly CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. 1. Place the radiator in...
Page 34 - Replacing the Processor Module
Dell ™ Latitude™ E6400 XFR Service Manual Page 34 1 Processor module NOTICE: To avoid damage to the processor module, hold the screwdriver so that it is perpendicular to the processor when turning the cam screw. 3. To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the ZIF-sock...
Page 35 - Memory
Dell ™ Latitude™ E6400 XFR Service Manual Page 35 NOTE: If a new processor is installed, you will receive a new thermal grease kit along with a tech sheet to illustrate proper installation. 1. Align the pin-1 corner of the processor with the pin-1 corner of the ZIF socket, and then insert the proces...
Page 36 - Removing a Memory Module; Replacing a Memory Module
Dell ™ Latitude™ E6400 XFR Service Manual Page 36 13.1 Removing a Memory Module CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. NOTICE: If two memory modules are installed, you must remove the top memory module first to...
Page 37 - Removing the Coin-Cell Battery; Replacing the Coin-Cell Battery
Dell ™ Latitude™ E6400 XFR Service Manual Page 37 1 Tab 2 Notch 3. Replace the bottom access panel (see Replacing the Bottom Access Panel). 4. Follow the procedures in After Working on Your Computer. As the computer boots, it detects the additional memory and automatically updates the system configu...
Page 38 - LED Cover; Removing the LED Cover
Dell ™ Latitude™ E6400 XFR Service Manual Page 38 CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. 1. Connect the coin-cell battery cable to the system board. 2. Insert the coin-cell battery into the computer: If you are...
Page 39 - Replacing the LED Cover; Palm Rest Overlay; Removing the Palm Rest Overlay
Dell ™ Latitude™ E6400 XFR Service Manual Page 39 5. While still applying pressure to the left, use a plastic scribe to pry up on the left corner of the LED cover. 1 Scribe 2 LED cover 3 M2.5 x 5-mm screw (2) 6. Hooks 2and 3 are released individually by using a left and upward motion. 7. Hook 4 is r...
Page 40 - Replacing the Palm Rest Overlay; Keyboard; Removing the Keyboard
Dell ™ Latitude™ E6400 XFR Service Manual Page 40 3. After the middle is separated from the palm rest, peel the overlay from middle to left. 4. With the left half of the overlay removed, begin to work your way from middle to right. 16.2 Replacing the Palm Rest Overlay CAUTION: Before you begin any o...
Page 41 - Replacing the Keyboard; Removing the GPS Card
Dell ™ Latitude™ E6400 XFR Service Manual Page 41 1 Keyboard bracket 2 Pull tab 5. Remove the keyboard bracket. NOTICE: The key caps on the keyboard are fragile, easily dislodged, and time-consuming to replace. Exercise care when removing and handling the keyboard. 6. Using the pull tab, gently lift...
Page 42 - Replacing the GPS Card; LCD Cable Channel Covers
Dell ™ Latitude™ E6400 XFR Service Manual Page 42 1 USB cable 2 GPS passthru antenna 3 GPS module 4 GPS antenna 4. Detach the black and red RF Passthru antenna cable and the grey GPS antenna cable. 5. Using a scribe, gently detach the GPS card at the upper right corner of the card 6. Using a scribe,...
Page 43 - Removing the LCD Cable Channel Covers; Replacing the LCD Cable Channel Covers; Display Assembly; Removing the Display Assembly
Dell ™ Latitude™ E6400 XFR Service Manual Page 43 19.1 Removing the LCD Cable Channel Covers CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. NOTE: The cable covers are not interchangeable. 1. Follow the procedures in Be...
Page 45 - Replacing the Display Assembly
Dell ™ Latitude™ E6400 XFR Service Manual Page 45 On the LVDS connector, rotate the blue pull-tab used to disconnect the cable from the system board to wrap the cable-side of the connector when routing through the chassis bridge. 8. Remove the three M2.5 x 8-mm screws from each hinge. 9. Turn the co...
Page 46 - Palm Rest; Removing the Palm Rest
Dell ™ Latitude™ E6400 XFR Service Manual Page 46 7. Install the display gaskets using your plastic scribe. Use a push motion altering sides on an individual gasket until the gasket is completely inserted into the chassis bridge. 8. Route the display cable and wireless (WLAN, WWAN, and WPAN) cables....
Page 48 - Replacing the Palm Rest; Modem; Removing the Modem
Dell ™ Latitude™ E6400 XFR Service Manual Page 48 21.2 Replacing the Palm Rest CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. NOTE: If this is a new palm rest, remove the two cable access panels, the GPS access panel a...
Page 49 - Replacing the Modem; Smartcard Assembly; Removing the Smartcard Assembly
Dell ™ Latitude™ E6400 XFR Service Manual Page 49 2. Remove the bottom access panel, LCD cable channel covers, display assembly, led cover, palm rest overlay, keyboard and palm rest (see Removing the Palm Rest). 3. Remove the M2 x 3-mm screw from the modem. 4. Use the pull tab to remove the modem fr...
Page 50 - Replacing the Smartcard Assembly; Hard Drive
Dell ™ Latitude™ E6400 XFR Service Manual Page 50 5. Remove the smartcard connector from the system board. 6. Remove the two M2 x 3-mm screws from the smartcard housing. 1 Smartcard connector 2 M2 x 3-mm screws (2) 3 Chassis hooks (5) 7. Slide the smartcard housing to the right to disengage from the...
Page 51 - Removing the Hard Drive; Replacing the Hard Drive
Dell ™ Latitude™ E6400 XFR Service Manual Page 51 sources other than Dell. 24.1 Removing the Hard Drive CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. CAUTION: Do not touch the metal housing of the hard drive if you re...
Page 52 - Modular Drive; Removing the Modular Drive; Replacing the Modular Drive
Dell ™ Latitude™ E6400 XFR Service Manual Page 52 CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. NOTICE: Hard drives are extremely fragile. Exercise care when handling the hard drive. NOTICE: Use firm and even pressure...
Page 53 - System Board Assembly; Removing the System Board Assembly
Dell ™ Latitude™ E6400 XFR Service Manual Page 53 1. Slide the drive in the modular bay. 2. Close the modular (XBay) disk drive door by rotating it up until it clicks into its locked position. 3. Follow the procedures in After Working on Your Computer. 26 System Board Assembly The system board’s BIO...
Page 54 - Replacing the System Board Assembly
Dell ™ Latitude™ E6400 XFR Service Manual Page 54 1 M2.5 x 5-mm screws (8) 2 M2 x 3-mm screws (2) 3 1394 connector NOTE: Smartcard assembly removed to clarify screw locations and pinpoint system board connectors. The smartcard assembly should not be removed for system board or base assembly replacem...
Page 55 - Card Cage; Removing the Card Cage
Dell ™ Latitude™ E6400 XFR Service Manual Page 55 instructions that shipped with your computer. NOTICE: Ensure that any loose cables do not get caught beneath the system board. 1. Replace the card cage to the system board, before installing into the computer (see Replacing the Card Cage). 2. Replace...
Page 56 - Replacing the Card Cage
Dell ™ Latitude™ E6400 XFR Service Manual Page 56 NOTE: Do NOT remove the two screws on the upper back corners of the card cage. They are used for retaining the card cage to the card extender board. 5. Detach the card extender board from the card socket by lifting the detached clips to clear the car...
Page 57 - SIM Card; Removing the SIM Card Assembly
Dell ™ Latitude™ E6400 XFR Service Manual Page 57 28.1 Removing the 1394 Card CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. 1. Follow the instructions in Before Working on Your Computer. 2. Remove the card cage (see R...
Page 58 - Replacing the SIM Card Assembly; Removing the Wi-Fi Sniffer Card
Dell ™ Latitude™ E6400 XFR Service Manual Page 58 3. Detach the tape and SIM card extension cable from the original SIM slot located on the left side of the battery bay, and place it out of the way. 4. Detach the Wi-Fi sniffer cable from the system board. 5. Using a scribe, gently place the edge und...
Page 59 - Replacing the Wi-Fi Sniffer Card
Dell ™ Latitude™ E6400 XFR Service Manual Page 59 2. Remove the bottom access panel, LCD cable channel covers, display assembly, led cover, palm rest overlay, keyboard and palm rest (see Removing the Palm Rest). 3. Detach the Wi-Fi Sniffer cable from the motherboard. 4. Remove the M2 x 3-mm screw fr...
Page 60 - Removing the I/O Card; Replacing the I/O Card; RJ-11 Modem Connector; Removing the RJ-11 Modem Connector; Replacing the RJ-11 Modem Connector
Dell ™ Latitude™ E6400 XFR Service Manual Page 60 31.1 Removing the I/O Card CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. 1. Follow the procedures in Before Working on Your Computer. 2. Remove the system board (see R...
Page 61 - DC Power Cable; Removing the DC Power Cable
Dell ™ Latitude™ E6400 XFR Service Manual Page 61 CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. 1. Place the RJ-11 modem connector into the base assembly, aligning the guides on the connector sides with the base. Once...
Page 62 - Replacing the DC Power Cable; Base Assembly; Removing the Base Assembly; Stylus; Removing the Stylus
Dell ™ Latitude™ E6400 XFR Service Manual Page 62 33.2 Replacing the DC Power Cable CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. 1. Place the DC power cable in the base assembly, aligning the guides on the connector ...
Page 63 - Replacing the Stylus; Handle; Removing the Handle
Dell ™ Latitude™ E6400 XFR Service Manual Page 63 35.2 Replacing the Stylus 1. Pinch the end of the tether loop to a point. 2. Place the tether loop, pointed end first, through the tether anchor at the edge of the system. 3. Run the stylus and tether through the tether loop. 4. Once the stylus and t...
Page 64 - Replacing the Handle; Doors; Removing Media Bay Door
Dell ™ Latitude™ E6400 XFR Service Manual Page 64 5. Remove the carry handle from the sockets and slide out of the notebook. 36.2 Replacing the Handle 1. Insert the carry handle pinion into the sockets on the base of the notebook. 1 Handle pinion 2 Tab socket NOTICE: Image above has palm rest remove...
