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Before removing the system board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4. Remove the battery (see
Battery on page 46).
5. Remove the display panel (see
Display panel on page 59).
6. Remove the service cover (see
Service cover on page 47).
7. Remove the hard drive (see
Hard drive on page 48).
8. Remove the RTC battery (see RTC battery (see
RTC battery on page 63).
9. Remove the memory modules (see
Memory modules on page 51).
10. Remove the WLAN module (see
WLAN module on page 52).
11. Remove the optical drive (see
Optical drive on page 55).
12. Remove the base enclosure (see
Base enclosure on page 64).
Remove the system board:
1. Remove the following cables:
●
Power button board cable (1) and (4)
●
TouchPad board cable (2)
●
Keyboard cable (3)
2. Remove the 6 screws (5).
88 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts