Installing The System Board
1. Align the system board to the port connectors on the rear of the chassis,
and place the system board in the chassis.
2. Tighten the 7–mm hex screw to secure the system board to the chassis.
3. Tighten the screws to secure the system board to the chassis.
4. Thread the internal antenna into the chassis clips.
5. Connect the SATA cables, hard/optical drive power cable, system fan cable
and the control panel cable to the system board.
6. Install the
internal speaker
.
7. Install the
wireless module
.
8. Install the
front Input/Output panel
.
9. Install the
memory
.
10. Install the
heat sink
.
11. Install the
power supply
.
12. Install the
drive cage
.
13. Install the
front bezel
.
14. Install the
cover
.
15. Follow the procedures in
After Working Inside Your Computer
.
42
Summary of Contents for OptiPlex 990 Desktop
Page 6: ...23 Contacting Dell 93 Contacting Dell 93 ...
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Page 41: ...16 Remove the system board from the chassis 41 ...
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