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6. Replace the eight M2.5 x 5-mm screws to the system board. 7. Replace the two M2 x 3-mm screws for the card cage. 8. Route and connect the 1394 card cable to the connector on the system board. Press down on the flat area of the cable to adhere it to the system board. 9. Install the Wi-Fi sniffer cable to the system board. 10. Connect the smartcard cable to the connector on the system board. 11. Replace the SIM card assembly (see Replacing the SIM Card Assembly). 12. Replace the palm rest, keyboard, palm rest overlay and LED cover (see Replacing the Palm Rest). 13. Replace the modular drive (see Replacing the Modular Drive). 14. Replace the hard drive (see Replacing the Hard Drive). 15. Replace the processor, heatsink assembly, and fan (see Replacing the Processor Module). 16. Replace the memory modules (see Replacing a Memory Module). 17. Replace the mini-pci cards in the WPAN/UWB/FCM card slot, WLAN/WiMax card slot, and/or WWAN/FCM card slot, if applicable (see Chapters 5, 6, 7 and 8 for replacement procedures). 18. Replace the coin cell battery (see Replacing the Coin Cell Battery). 19. If you are installing a new system board, make a note of the number on the yellow label, located on the inside of the bottom access panel. You will need this number when you first power on the computer for AMT provisioning. 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. 23. Enter the system setup program to update the BIOS on the new system board with the computer Service Tag. For information on the system setup program, see the ™ Technology Guide on your computer or at support.dell.com. 24. Run the SetXFR utility to allow the system board to operate as an E6400 XFR computer. See the instructions in the tech sheet that was shipped with your replacement system board. 27 Card Cage 27.1 Removing the Card Cage 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 any PC-card or Express-card inserted. 3. Remove the system board (see Removing the System Board). 4. Slide the scribe under the cage then press outward to unhook the clips on both sides of the cage housing. Page 55 Dell™ Latitude™ E6400 XFR Service Manual 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 card socket and sliding the card cage from the card socket. 27.2 Replacing the Card Cage CAUTION: Before you begin any of the procedures in this section, follow the safety 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. 3. Seat the retainer clips. 4. Replace the system board (see Replacing the System Board). 28 1394 Card Page 56 Dell™ Latitude™ E6400 XFR Service Manual 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 Removing the Card Cage). 3. Remove the two M2 x 3-mm screws. 4. Lift the 1394 card up at an angle to remove it. 4 1 2 3 1 1394 cable connection to system board 2 M2 x 3-mm screws (2) 3 1394 card 4 1394 cable 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. 2. Replace the two M2 x 3 screws. 3. Replace the card cage (see Replacing the Card Cage). 4. Follow the procedures in After Working on Your Computer. 29 SIM Card 29.1 Removing the SIM Card Assembly 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 bottom access panel, LCD cable channel covers, display assembly, led cover, palm rest overlay, keyboard and palm rest (see Removing the Palm Rest). Page 57 Dell™ Latitude™ E6400 XFR Service Manual 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 sni...