System board, Removing the system board, 16 system board – Dell OptiPlex 990 (Early 2011) User Manual
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16
System Board
Removing the System Board
Before Working Inside Your Computer
.
2. Remove the
.
3. Remove the
4. Remove the
.
5. Remove the
6. Remove the
.
7. Remove the
8. Disconnect all the cables connected to the system board, and move the
cables away from the chassis.
9. Lift and release the expansion-card latch, to gain access to the screws
securing the system board.
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