Top cover
Description Spare part number
Top cover (includes TouchPad) 724300-001
Before removing the top 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 33) and then remove the following components:
a. Hard drive (see
Hard drive on page 34)
b. Memory module service cover (see
Memory module on page 40)
c. Optical drive (see
Optical drive on page 42)
d. Keyboard (see
Keyboard on page 47)
When replacing the top cover, be sure that the power button board (see
Power button board
on page 54) and TouchPad button board (see TouchPad button board on page 55) are removed
from the defective top cover and installed on the replacement top cover.
Remove the top cover:
1. Remove the rear corner covers (1).
2. Remove the six Phillips PM2.5×6.5 screws (2) that secure the top cover to the computer.
3. Remove the five Phillips PM2.5×4.0 screws (1) that secure the top cover to the computer.
50 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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