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Top cover
NOTE: The top cover spare part kit includes the TouchPad and TouchPad cable and TouchPad button
board and TouchPad button board cable.
Description Spare part number
In steel gray finish 649947-001
In regular finish 639388-001
Before removing the top cover, 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 52), and then remove the following components:
●
Optical drive (see
Optical drive on page 53)
●
Hard drive (see
Hard drive on page 56)
●
Keyboard (see
Keyboard on page 65)
When replacing the top cover, be sure that the following components are removed from the defective
top cover and installed on the replacement top cover:
●
Fingerprint reader board and cable (see
Fingerprint reader board on page 72)
●
Power button board and cable (see
Power button board on page 74)
●
Display lid switch board and cable (see
Display lid switch board on page 76)
Remove the top cover:
1. Close the computer.
2. Turn the computer upside down, with the front toward you.
68 Chapter 4 Removal and replacement procedures