
System Board
15
Removing the System Board
1. Follow the procedures in
Before Working Inside Your Computer
.
2. Remove the
cover
.
3. Remove the
front bezel
.
4. Remove the
drive cage
.
5. Remove the
power supply
.
6. Remove the
heat sink
.
7. Remove the
memory
.
8. Remove the
input/output panel
.
9. Remove the
wireless module
.
10. Remove the
speaker
.
11. Disconnect all the cables connected to the system board, and move the
cables away from the chassis.
12. Unthread and move the internal antenna from the chassis.
39
Содержание OptiPlex 990 Desktop
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