Page 2
Trademarks used in this text: Dell, Latitude, and the DELL logo are trademarks of Dell Inc.; Bluetooth is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license; Intel is a registered trademark of Intel Corporation in the U.S. and other countries;...
UPPORT TILITY ................................ 1 7 1.4.1 Clicking the Dell Support Icon .......................... 1 8 1.4.2 Double-Clicking the Dell Support Icon ......................... 1 8 WORKING ON YOUR COMPUTER .......................... 18 ECOMMENDED OOLS ................................ 1 8 ...
Page 4
™ Dell Latitude™ E6400 XFR Service Manual RF P EPLACING THE ASSTHRU OARD .......................... 3 1 FAN ASSEMBLY ................................. 32 10.1 EMOVING THE SSEMBLY ............................ 3 2 10.2 EPLACING THE SSEMBLY ............................ 3 3 PROCESSOR HEATSINK ASSEMBLY ...
Page 5
™ Dell Latitude™ E6400 XFR Service Manual SMARTCARD ASSEMBLY ............................ 50 23.1 EMOVING THE MARTCARD SSEMBLY .......................... 5 0 23.2 EPLACING THE MARTCARD SSEMBLY .......................... 5 1 HARD DRIVE ................................ 52 24.1 ...
NOTE: After the computer completes POST, the Num Lock light may remain on, depending on your BIOS settings. For more information on using the system setup program, see the Dell™ Technology Guide on your computer or at support.dell.com. Diagnostic Light Codes During POST To troubleshoot a problem with your computer, read the sequence of the keyboard status lights in order from left to right (Num Lock, Caps Lock, and then Scroll Lock).
When to Use the Dell Diagnostics If you experience a problem with your computer, perform the checks in Solving Problems, and then run the Dell Diagnostics before contacting Dell for assistance. Start the Dell Diagnostics from your hard drive or from the Drivers and Utilities media provided with your computer.
5. At the Dell Diagnostics Main Menu, left-click with the touch pad/mouse, or press <Tab> and then <Enter>, to select the test you want to run (see Dell Diagnostics Main Menu).
9. At the Dell Diagnostics Main Menu, left-click with the touch pad/mouse, or press <Tab> and then <Enter>, to select the test you want to run (see Dell Diagnostics Main Menu).
Page 11
Dell Support. NOTE: When contacting Dell Support, have your Service Tag ready. The Service Tag for your computer is located at the top of each test screen. The following tabs provide additional information for tests run from the Custom Test or Symptom Tree option:...
If an error message occurs in a program, see the program’s documentation. NOTE: The procedures in this document were written for the Windows default view, so they may not apply if you set your Dell computer to the Windows Classic view. Page 12...
Insert another disc to eliminate the possibility that the original drive is defective. Insert a bootable floppy disk and restart the computer. CLEAN THE DRIVE OR DISK — For information on cleaning your computer, see the Dell™ Technology Guide on your computer or at support.dell.com. CHECK THE CABLE CONNECTIONS RUN THE HARDWARE TROUBLESHOOTER —...
Click Device Manager. If your IEEE 1394 device is listed, Windows recognizes the device. IF YOU HAVE PROBLEMS WITH A DELL IEEE 1394 DEVICE — Contact Dell Support. IF YOU HAVE PROBLEMS WITH AN IEEE 1394 DEVICE NOT PROVIDED BY DELL — Contact the IEEE 1394 device manufacturer.
Page 15
™ Dell Latitude™ E6400 XFR Service Manual The computer stops responding NOTICE: You may lose data if you are unable to perform an operating system shutdown. TURN THE COMPUTER OFF — If you are unable to get a response by pressing a key on your keyboard or moving your mouse, press and hold the power button for at least 8 to 10 seconds (until the computer turns off), and then restart your computer.
Reseat the memory modules (see Memory) to ensure that your computer is successfully communicating with the memory. Run the Dell Diagnostics (see Dell Diagnostics). IF YOU EXPERIENCE OTHER MEMORY PROBLEMS — Reseat the memory modules (see Memory) to ensure that your computer is successfully communicating with the memory.
1. Shut down your computer and connect an external monitor to the computer. 2. Turn on the computer and the monitor and adjust the monitor brightness and contrast controls. If the external monitor works, the computer display or video controller may be defective. Contact Dell Support. 1.3 Dell Technical Update Service The Dell Technical Update service provides proactive e-mail notification of software and hardware updates for your computer.
Dell Support Utility, and view Dell Support settings. For more information about the Dell Support Utility, click the question mark (?) at the top of the Dell™ Support screen.
Page 19
NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. NOTICE: 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.
Latitude™ E6400 XFR Service Manual 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. ...
™ Dell Latitude™ E6400 XFR Service Manual 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.
™ Dell Latitude™ E6400 XFR Service Manual 2. Follow the procedures in After Working on Your Computer. WLAN/WiMax Card CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. NOTICE: Insert a WLAN or WiMax card only into the slot labeled WLAN/WiMax.
™ Dell Latitude™ E6400 XFR Service Manual WLAN/WiMax card Card connector 5.2 Replacing the WLAN/WiMax Card NOTICE: The connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors on the card and on the system board, and realign the card.
™ Dell Latitude™ E6400 XFR Service Manual WWAN Card CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. NOTICE: Insert a WWAN card or FCM only into the slot shown in the picture below.
™ Dell Latitude™ E6400 XFR Service Manual 1. Slide the card into the connector labeled WWAN/FCM. 2. Press the card down and hold it in place. 3. Replace the M2 x 3-mm screw. 4. Connect the white antenna cable to the connector labeled "main" (white triangle), and connect the black antenna cable to the connector labeled "aux"...
™ Dell Latitude™ E6400 XFR Service Manual 7.2 Replacing a WPAN (UWB/BT) Card NOTICE: The connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors on the card and on the system board, and realign the card.
™ Dell Latitude™ E6400 XFR Service Manual M2 x 3-mm screw Card connector 8.2 Removing a FCM from the WPAN/UWB/FCM Slot 1. Follow the procedures in Working on Your Computer. 2. Remove the bottom access panel (see Removing the Bottom Access Panel).
Page 30
™ Dell Latitude™ E6400 XFR Service Manual FCM/WWAN Card Gray/black antenna cable Gray/white antenna cable Holder by module 5. Replace the bottom access panel (see Replacing the Bottom Access Panel). 6. Follow the procedures in After Working on Your Computer.
™ Dell Latitude™ E6400 XFR Service Manual 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.
™ Dell Latitude™ E6400 XFR Service Manual 4. Disconnect the fan cable from the system board. 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 shipped with your computer.
™ Dell Latitude™ E6400 XFR Service Manual Captive screws (4) Radiator 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 into the computer at an angle and set the processor plate in place.
™ Dell Latitude™ E6400 XFR Service Manual 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-socket cam screw counterclockwise until it comes to the cam stop.
See "Specifications" in your Setup and Features Information Guide for information on the memory supported by your computer. Install only memory modules that are intended for your computer. NOTE: Memory modules purchased from Dell are covered under your computer warranty. Page 36...
™ Dell Latitude™ E6400 XFR Service Manual 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 access the bottom memory module.
In Windows XP, right-click the My Computer icon on your desktop. Click Properties → General. In Windows Vista, click Start → Help and Support→ Dell System Information. 14 Coin-Cell Battery 14.1 Removing the Coin-Cell Battery CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer.
™ Dell Latitude™ E6400 XFR Service Manual 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 installing the same coin-cell battery you removed, slide the battery under the tab, then press down to seal the tape on bottom.
™ Dell Latitude™ E6400 XFR Service Manual 5. While still applying pressure to the left, use a plastic scribe to pry up on the left corner of the LED cover. Scribe LED cover M2.5 x 5-mm screw (2) 6. Hooks 2and 3 are released individually by using a left and upward motion.
™ Dell Latitude™ E6400 XFR Service Manual 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.
™ Dell Latitude™ E6400 XFR Service Manual Keyboard bracket 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 the top of the keyboard and then pull back to disconnect the keyboard.
™ Dell Latitude™ E6400 XFR Service Manual 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.
™ Dell Latitude™ E6400 XFR Service Manual M2 x 3-mm screws (2) 4. Slide each cable cover up to remove. 19.2 Replacing the LCD Cable Channel Covers 1. Remove the bottom access panel (see Removing the Bottom Access Panel). 2. Slide the cable covers on while holding the LCD wires taught.
Page 45
™ Dell Latitude™ E6400 XFR Service Manual LVDS connector & cable WPAN cable WLAN cable WWAN cable 5. Disconnect the LVDS cable from the motherboard. 6. Disconnect the antenna cables from the top side connectors (J4 & J5) of the RF Passthru board.
™ Dell Latitude™ E6400 XFR Service Manual 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.
™ Dell Latitude™ E6400 XFR Service Manual 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. Fit the cables under each tab in their respective routing channel.
Page 48
™ Dell Latitude™ E6400 XFR Service Manual 6. Disconnect the finger print reader cable (optional), the speaker cable, and the touch pad cable from the system board. 7. Lift the touch pad cable to reveal the contactless smart card cable underneath. Disconnect the contactless smartcard cable from the system board.
™ Dell Latitude™ E6400 XFR Service Manual 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 and the keyboard bracket before installation.
™ Dell Latitude™ E6400 XFR Service Manual 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 bottom access panel, LCD cable channel covers, display assembly, led cover, palm rest overlay, keyboard and palm rest (see Removing the Palm Rest).
™ Dell Latitude™ E6400 XFR Service Manual 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 hard drive (see Removing the Hard Drive).
Dell Latitude™ E6400 XFR Service Manual 24 Hard Drive NOTE: Dell does not guarantee compatibility or provide support for hard drives obtained from 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.
4. Follow the procedures in After Working on Your Computer. 5. Install the operating system, drivers, and utilities for your computer, as needed. For more information, see the Setup and Features Information Guide that shipped with your computer or at support.dell.com. 25 Modular Drive The modular drive supports either a second hard drive, an optical drive, or an air bay for travel.
™ Dell Latitude™ E6400 XFR Service Manual NOTE: The security screw on the modular drive is optional and may not be installed on your computer. 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.
Page 55
™ Dell Latitude™ E6400 XFR Service Manual M2.5 x 5-mm screws (8) M2 x 3-mm screws (2) 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 replacement.
™ Dell Latitude™ E6400 XFR Service Manual JSC1 Smartcard connector JBIO1 BIO reader connector JTP1 Touchpad connector J1394 1394 cable connector JSNIF1 Wi-Fi sniffer connector Multi-mode HD video connector JSPK1 Speaker connector 26.2 Replacing the System Board Assembly CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer.
™ Dell Latitude™ E6400 XFR Service Manual 20. Replace the display assembly, LCD cable channel covers and bottom access panel (see Replacing the Display Assembly). 21. Follow the procedures in After Working On Your Computer. 22. At first power on, the AMT provisioning menu appears. See the instructions in the tech sheet that was shipped with your replacement system board.
™ Dell Latitude™ E6400 XFR Service Manual instructions that shipped with your computer. 1. Insert the card extender into the card connector on the system board. 2. Rotate the retainer clips over the card connector and press the extender card into the socket. The extender is inserted properly if the white line on the PCB lines up with the metal cage of the system board connector.
™ Dell Latitude™ E6400 XFR Service Manual 28.2 Replacing the 1394 Card CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. 1. Insert the 1394 card at a 45-degree angle to fit the connector into the base assembly. Use the alignment pins to seat into position.
™ Dell Latitude™ E6400 XFR Service Manual 3. Route the SIM extension cable and reconnect the SIM extension board into the original SIM slot located in the battery bay. 4. Install the Wi-Fi sniffer cable to the system board. 5. Replace the palm rest, keyboard, palm rest overlay, led cover, display assembly, LCD cable channel covers and bottom access panel (see Replacing the Palm Rest).
™ Dell Latitude™ E6400 XFR Service Manual M2.5 x 5-mm screws (2) 30.2 Replacing the Wi-Fi Sniffer Card 1. Align the sniffer card with its bracket and secure it using the 2 M2.5 x 5-mm screws. 2. Connect the Wi-Fi sniffer cable to the motherboard.
™ Dell Latitude™ E6400 XFR Service Manual 8. Remove the I/O card. 31.2 Replacing the I/O Card 1. Replace the I/O card. 2. Replace the sniffer card bracket. 3. Replace the sniffer card (see Replacing the Wi-Fi Sniffer Card). 4. Replace the M2.5 x 5-mm screw from the I/O card.
™ Dell Latitude™ E6400 XFR Service Manual M2.5 x 5-mm screw Modem connector 33 DC Power Cable 33.1 Removing the DC Power Cable CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer.
™ Dell Latitude™ E6400 XFR Service Manual 1. Replace the modem (see Replacing the Modem). 2. Replace the system board (see Replacing the System Board Assembly). 3. Follow the procedures in After Working on Your Computer. 35 Stylus 35.1 Removing the Stylus 1.
™ Dell Latitude™ E6400 XFR Service Manual 36.1 Removing the Handle 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.
™ Dell Latitude™ E6400 XFR Service Manual NOTICE: Image above has palm rest removed to show tab socket close-up. During installation, verify handle pinions are inserted into the tab sockets properly during reassembly. 2. Replace the four M2.5 x 8-mm bottom retaining screws.
™ Dell Latitude™ E6400 XFR Service Manual 2. Insert the three M3 x 3-mm screws and fit securely. 3. Follow the procedures in After Working on Your Computer. 37.3 Removing the AV Door Parts Location Door M3 x 3 mm (2) 1.
™ Dell Latitude™ E6400 XFR Service Manual 37.5 Removing the AV Panel Cover 1. Follow the procedures in Before Working on Your Computer. 2. Open the AV door. 3. Place a scribe in the lower USB slot where there is a small opening on the side.
™ Dell Latitude™ E6400 XFR Service Manual Door M2.5 x 5-mm (2) 1. Follow the procedures in Before Working on Your Computer. 2. Open the door to relieve hinge pressure. 3. Remove the two M2.5 x 5-mm screws from the bottom of the base assembly 37.8 Replacing the RJ11 Door...
™ Dell Latitude™ E6400 XFR Service Manual 37.10 Replacing the Battery Door 1. Insert door hinge onto assembly and align the hinge divots. 2. Replace the four M3 x 3-mm screws. 3. Follow the procedures in After Working on Your Computer.
™ Dell Latitude™ E6400 XFR Service Manual 37.12 Replacing the Power Door 1. Insert door hinge onto assembly and align the hinge divots. 2. Replace the two M2.5 x 5-mm screws. 3. Follow the procedures in After Working on Your Computer.
™ Dell Latitude™ E6400 XFR Service Manual 37.14 Replacing the VGA Door 1. Insert door hinge onto assembly and align the hinge divots. 2. Replace the two M3 x 3-mm screws. 3. Follow the procedures in After Working on Your Computer.
™ Dell Latitude™ E6400 XFR Service Manual Door M3 x3 mm (2) 1. Follow the procedures in Before Working on Your Computer. 2. Open the door to relieve hinge pressure. 3. Remove the two M3 x 3-mm screws from the bottom of the base assembly 37.18...
™ Dell Latitude™ E6400 XFR Service Manual Door M2.5 x 5-mm (2) 1. Follow the procedures in Before Working on Your Computer. 2. Open the door to relieve hinge pressure. 3. Remove the handle (see Removing the Handle) 4. Remove the two M2.5 x 5-mm screws from the base assembly 37.20...
Need help?
Do you have a question about the Latitude E6400 XFR and is the answer not in the manual?
Questions and answers