Removal and replacement procedures
4–39
Top cover
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 4-8
).
5. Remove the following components:
a. Optical drive (see
“Optical drive” on page 4-9
)
b. Hard drive (see
“Hard drive” on page 4-11
)
c. TV tuner module (see
“TV tuner module” on page 4-13
)
d. Memory module (see
“Memory module” on page 4-15
)
e. WLAN module (see
“WLAN module” on page 4-16
)
f. Switch cover (see
“Switch cover” on page 4-18
)
g. Keyboard cover (see
“Keyboard cover” on page 4-20
)
h. Keyboard (see
“Keyboard” on page 4-24
)
i. Speaker assembly (see
“Speaker assembly” on page 4-30
)
j. Display assembly (see
“Display assembly” on page 4-31
)
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:
■
Power button board (see
“Power button board” on page 4-22
)
■
Bluetooth module (see
“Bluetooth module” on page 4-23
)
■
Bluetooth module cable (see
“Bluetooth module cable” on page 4-28
)
Description
Spare part number
Top cover (includes fingerprint reader board, fingerprint reader board cable, TouchPad, and
TouchPad cables)
496470-001
