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Removal and replacement procedures
Maintenance and Service Guide 4–35
Top cover
Before removing the top cover:
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 disconnecting the power cord from the AC outlet and then
disconnecting the AC adapter from the computer.
4. Remove the battery (see “Battery” on page 4-7).
5. Remove the following components:
a. Hard drive (see “Hard drive” on page 4-8)
b. Mini Card compartment cover (see “RTC battery” on page 4-12)
c. Mini Card bracket (see “WLAN module” on page 4-14
d. Optical drive (see “Optical drive” on page 4-20)
e. Keyboard (see “Keyboard” on page 4-21)
f. Switch cover (see “Keyboard cover” on page 4-23)
g. Speaker assembly (see “Speaker assembly” on page 4-25)
h. Display assembly (see “Display assembly” on page 4-27)
Description Spare part number
Top cover 487300-001
TouchPad (includs cables) 494960-001
TouchPad bracket 494962-001
TouchPad button board (includes cables) 494965-001