Removal and replacement procedures
Audio board
Description
Audio board
Audio board cable
Before removing the audio board, 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
5. Remove the following components:
a. Hard drive (see
b. Mini Card compartment cover (see
c. Mini Card bracket (see
d. Optical drive (see
e. Keyboard (see
f. Keyboard cover (see
g. Speaker assembly (see
h. Display assembly (see
i. Top cover (see
4–42
"Battery" on page
"Hard drive" on page
4-8)
"RTC battery" on page
"WLAN module" on page
"Optical drive" on page
"Keyboard" on page
4-21)
"Keyboard cover" on page
"Speaker assembly" on page
"Display assembly" on page
"Top cover" on page
4-36)
4-7).
4-12)
4-14)
4-20)
4-24)
4-26)
4-28)
Spare part number
487344-001
486841-001
Maintenance and Service Guide