Compaq Presario A900 Compaq Presario A900 Notebook PC - Maintenance and Servic - Page 68

System board, All system board spare part kits include replacement thermal material.

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d. Display assembly (see Display assembly on page 50) e. Top cover (see Top cover on page 55) Remove the speaker assembly: 1. Remove the two Phillips PM2.5×5.0 screws (1) that secure the speaker assembly to the base enclosure. 2. Disconnect the speaker cable (2) from the system board. 3. Remove the speaker cables from the clips (3) built into the system board. 4. Remove the speaker assembly (4) from the base enclosure. Reverse this procedure to install the speaker assembly. System board NOTE: All system board spare part kits include replacement thermal material. Description Spare part number GM965 system board, for use only with computer models equipped with Intel Core 2 Duo processors 462316-001 (includes digital media card board) GL960 system board, for use only with computer models equipped with Intel Core Duo and Intel Celeron M processors (includes digital media card board) 462317-001 Before removing the system 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. 60 Chapter 4 Removal and replacement procedures

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d
.
Display assembly (see
Display assembly
on page
50
)
e
.
Top cover (see
Top cover
on page
55
)
Remove the speaker assembly:
1
.
Remove the two Phillips PM2.5×5.0 screws
(1)
that secure the speaker assembly to the base
enclosure.
2
.
Disconnect the speaker cable
(2)
from the system board.
3
.
Remove the speaker cables from the clips
(3)
built into the system board.
4
.
Remove the speaker assembly
(4)
from the base enclosure.
Reverse this procedure to install the speaker assembly.
System board
NOTE:
All system board spare part kits include replacement thermal material.
Description
Spare part number
GM965 system board, for use only with computer models equipped with Intel Core 2 Duo processors
(includes digital media card board)
462316-001
GL960 system board, for use only with computer models equipped with Intel Core Duo and
Intel Celeron M processors (includes digital media card board)
462317-001
Before removing the system 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.
60
Chapter
4
Removal and replacement procedures