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Bottom cover
Description Spare part number
Bottom cover (includes left and right corner covers) 730887-001
Before removing the bottom cover, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4.
Remove the battery (see
Battery on page 27).
5. Remove the service cover (see
Service cover on page 28).
6. Disconnect the RTC battery cable from the system board (see
RTC battery on page 35).
7. Remove the display assembly (see
Display assembly on page 37).
NOTE: When replacing the bottom cover, be sure that the RTC battery is removed from the defective
bottom cover and installed in the replacement bottomcover.
Remove the bottom cover:
1. Release the zero insertion force (ZIF) connector (1) to which the keyboard cable is attached, and
then disconnect the keyboard cable from the system board.
2. Release the ZIF connector (2) to which the TouchPad button board cable is attached, and then
disconnect the TouchPad button board cable from the system board.
42 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts