15.
Test the hard-disk drive by running the Dell Diagnostics (see the online
System User's Guide
for more information).
16.
If the drive you just installed is the primary drive, install your operating system on the hard-disk drive.
Refer to the documentation that came with your operating system.
Power Supply
To access some components on the system board, you may have to rotate the system power supply out of the way. To rotate the power supply,
perform the following steps.
1.
Remove the computer cover as instructed in "
Computer Cover
."
2.
Disconnect the AC power cable from the AC power receptacle on the back of the power supply (see
Figure 20
).
Figure 20. Rotating the Power Supply
3.
Free the power supply by pressing the securing tab labeled "RELEASE" and rotate it upward to a vertical position. See
Figure 20
.
To remove the power supply, perform the following steps.
Figure 21. Removing the Power Supply
1.
Remove the computer cover as instructed in "
Computer Cover
."
2.
Disconnect the AC power cable from the AC power receptacle on the back of the power supply.
3.
Disconnect the DC power cables that attach to the diskette drive, any installed 5.25-inch drives, and hard-disk drives mounted in the
internally-accessible drive bracket.
CAUTION: Before you remove the computer cover, see "
Precautionary Measures
."
1
Securing tab
2
Power supply
3
Release latch
CAUTION: Before you remove the computer cover, see "
Precautionary Measures
"
1
Power supply
2
Slot
