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3.
Remove the subwoofer (4).
Reverse this procedure to install the subwoofer.
Optical drive
NOTE: The optical drive spare part kit includes the left and right mounting brackets, the connector
board, the connector cable, and screws.
Description Spare part number
Blu-ray ROM DVD±RW Super Multi Double-Layer FX Drive 665919-001
DVD±RW and CD-RW Super Multi Double-Layer FX Combo Drive 665918-001
Before removing the optical drive, 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. Disconnect the battery cable from the system board (see
Battery on page 39).
42 Chapter 4 Removal and replacement procedures ENWW