![](/images/new-backgrounds/1212864/212864155x1.webp)
4.Remove the top speakers (4).
Reverse this procedure to install the top speakers.
Power button board
Description | Spare part number |
|
|
Power button board (includes cable) | |
|
|
Before removing the power button board, follow these steps:
1.Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.Disconnect all external devices from the computer.
4.Remove the battery (see Battery on page 51), and then remove the following components:
a.Hard drive (see Hard drive on page 52)
b.Optical drive (see Optical drive on page 59)
c.Keyboard (see Keyboard on page 61)
d.Top cover (see Top cover on page 66)
70 | Chapter 4 Removal and replacement procedures |