HP g6-1b6n8r G6 manual System board, Description Spare part number

System board

NOTE: The system board spare part kit includes UMA or discrete graphics subsystem memory and replacement thermal material.

Description	Spare part number
For use in Intel HM55 UMA computer models	639521-001
For use in Intel HM65 UMA computer models	639522-001
For use in Intel HM55 discrete, 512 MB, computer models	639523-001
For use in Intel HM55 discrete, 1 GB, computer models	639524-001
For use in Intel HM65 discrete, 512 MB, computer models	639525-001
For use in Intel HM65 discrete, 1 GB, computer models	639526-001
For use in AMD UMA computer models	640893-001

When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board:

●Memory modules (see Memory module on page 45)

●WLAN module (see WLAN module on page 43)

Before removing the system board, remove the following components:

1.Battery (see Battery on page 37)

2.Service access cover (see Service access cover on page 38)

3.Hard drive (see Hard drive on page 39)

4.Optical drive (see Optical drive on page 41)

5.WLAN module (see WLAN module on page 43)

6.Memory module (see Memory module on page 45)

7.Keyboard (see Keyboard on page 47)

8.Top cover (see Top cover on page 49)

9.USB board (see USB board on page 56)

10.Display assembly (see Display assembly on page 59)

11.Power connector (see Power connector on page 58) Remove the optical drive connector board:

1.Turn the computer right-side up, with the front toward you.

2.Remove the three Phillips 4.0 x 2.5 screws (1) that secure the optical drive connector board to the computer.

66 Chapter 4 Removal and replacement procedures