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7. Remove the memory modules (see Memory modules on page 51).
8. Remove the WLAN module (see
WLAN module on page 52).
9. Remove the optical drive (see
Optical drive on page 55).
10. Remove the base enclosure (see
Base enclosure on page 64).
Remove the optical drive connector board:
▲
Remove the screw (1), and then lift the optical drive connector board (2) to remove it.
Reverse this procedure to install the optical drive connector board.
Subwoofer
Description Spare part number
Subwoofer 720263-001
Before removing the subwoofer, 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 service cover (see
Service cover on page 47).
70 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts