Compaq CQ20 manual Description Spare part number Audio board 493272-001

Removal and replacement procedures

Audio board

Description	Spare part number
Audio board	493272-001

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 “Battery” on page 4-7).

5.Remove the following components:

a.Hard drive (see “Hard drive” on page 4-8)

b.Memory module (see “Memory module” on page 4-10)

c.WLAN module (see “WLAN module” on page 4-12)

d.Optical drive (see “Optical drive” on page 4-14)

e.Keyboard (see “Keyboard” on page 4-16)

f.Top cover (see “Top cover” on page 4-18)

4–30 Maintenance and Service Guide