System board, Removing the system board, Replacing the system board – Dell Vostro A90 (Late 2008) User Manual
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System Board
Dell™ Vostro™ A90 Service Manual
Removing the System Board
1.
Follow the instructions in
Before You Begin
.
2.
Remove the module cover (see
Removing the Module Cover
).
3.
Remove the memory module (see
Removing the Memory Module
).
4.
Remove the solid-state drive (see
Removing the Solid-state Drive
).
5.
Remove the keyboard (see
Removing the Keyboard
).
6.
Remove the palm rest (see
Removing the Palm Rest
).
7.
Disconnect the display cables, Mini-Card antenna cables, and speaker cable from the respective system board connectors (see
Display Assembly
).
8.
Disconnect the microphone cable and AC adapter cable from the respective system board connectors.
9.
Remove the two screws that secure the system board to the computer base.
10.
Lift the system board at an angle towards the side of the computer and out of the computer base.
Replacing the System Board
CAUTION:
Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
NOTICE:
To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface
(such as the back panel) on the computer.
1 screw (2)
2 system board
3 microphone cable connector
4 AC adapter cable connector
NOTE:
The thermal pads may stick to the bottom of the palm rest. Remove the thermal pads from the bottom of the palm rest.