Dell OptiPlex GX1p - Manual (Page 7)

4. Slide the expansion-card cage out of the chassis.
5. Lift the expansion-card cage up and away from the chassis.
Replacing the Expansion-Card Cage
Use the following procedure to replace the expansion-card cage:
1. With the securing lever in the upright position, align the slots in the left side of the expansion-card cage with the tabs on the left side of the
chassis (see Figure 7 ).
2. Rotate the securing lever downward until it is flush with the top of the chassis. Make sure that the riser board is fully seated in the RISER
connector on the system board.
3. Reconnect any cables you removed in step 2 of the previous procedure, " Removing the Expansion-Card Cage ."
4. Replace the computer cover , and reconnect your computer and peripherals to their electrical outlets and turn them on.
Rotating the Power Supply Away From the System Board
To access some components on the system board, you may have to rotate the system power supply out of the way. Use the following procedure to
rotate the power supply.
1. Remove the computer cover as instructed in " Removing the Computer Cover ."
2. Disconnect the AC power cable from the AC power receptacle on the back of the power supply (see Figure 8).
Figure 8. Rotating the Power Supply
3. Free the power supply from the securing tab labeled "RELEASE —>, " and rotate it upward until it locks in its extended position.
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NOTE: If Enabled, the Chassis Intrusion option will cause the following message to be displayed at the next system start-up:
ALERT! Cover was previously removed.
CAUTION: Before you remove the computer cover, see " Safety First — For You and Your Computer ."