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Check all cable connections. Fold cables out of the way to provide airflow for the fan and cooling vents.
Replace the computer
cover; reconnect your computer and peripherals to their electrical outlets, and turn them on.
3.
4. Update your system configuration information.
Set the Drive 1 option under Drives: Primary to Auto. See the online System User's Guide for more information.
5. Verify that your system works correctly by running the Dell Diagnostics (see the online System User's Guide for complete information).
System Power Supply
Figure 17. Power Supply Removal
To remove the system power supply, perform the following steps:
1. Disconnect the AC power cable from the back of the power supply.
2. Disconnect the DC power cables from the system board and the drives.
3. Remove the screw on the side of the chassis that secures the power supply.
4. Remove the screw below the AC power receptacle at the back of the chassis.
5. Slide the power supply toward the center of the computer approximately 1 inch.
6. Lift the power supply up and out the computer chassis.
Expansion-Card Cage
Figure 18. Expansion-Card Cage Removal
To remove the expansion-card cage from the chassis, perform the following steps:
1.
Remove the computer
cover.
1 Securing screw hole
2 AC power receptacle
3 Power supply
4 System board DC power connectors (2)
5 Drive DC power connectors (3)
1 Securing lever
2 Expansion-card cage
3 Tabs (2)
4 Hooks (2)
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