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System Board
Removing the System Board
1. Follow the procedures in Before Working On Your Computer.
2. Remove the battery.
3. Remove the subscriber identity module (SIM) card
4. Remove the secure digital (SD) card
5. Remove the back panel.
6. Remove the memory
7. Remove the keyboard trim.
8. Remove the keyboard.
9. Remove the optical drive
10. Remove the hard drive.
11. Remove the wireless local area network (WLAN)
12. Remove the wireless wide area network (WWAN)
13. Remove the CPU door.
14. Remove the heat sink.
15. Remove the processor.
16. Remove the palm rest.
17. Remove the ExpressCard/Smart Card/PCMCIA module.
18. Remove the display assembly.
19. Remove the audio board.
20. Remove the Bluetooth.
21. Remove the modem.
22. Remove the support brackets.
23. Disconnect the coin-cell battery cable from the system board.
24. Disconnect the thermal fan cable.
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