HP V3670TU, V3523TU, V3930TU, V3931TU Wireless switch board, a. Hard drive see Hard drive on page

Wireless switch board

Description	Spare part number
Wireless switch board (includes wireless switch board cable)	417092-001

Before removing the wireless switch 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 53).

5. Remove the following components:

a. Hard drive (see Hard drive on page 54)

b. WLAN cover (see WLAN module on page 57)

c. Optical drive (see Optical drive on page 64)

d. Keyboard (see Keyboard on page 66)

e. Switch cover (see Switch cover on page 69)

f. Display assembly (see Display assembly on page 71)

g. Top cover (see Top cover on page 80)

Remove the wireless switch board:

1. Disconnect the wireless switch board cable (1) from the system board.

2. Remove the two Phillips PM2.0×3.0 screws (2) that secure the wireless switch board to the computer.

Component replacement procedures 85