Dell Precision 330 - Manual (Page 16)

4. Connect a DC power cable to the power input connector on the back of the drive.
5. Ensure that all cables are firmly connected. Fold cables out of the way to provide airflow for the fan and cooling vents.
6. Rotate the power supply back into position until the securing tab snaps into the release latch.
7. Replace the computer cover and restart the system .
8. Run the Dell Diagnostics to verify that the drive is operating properly.
Removing a CD, Zip, or Other Externally Accessible Drive (Desktop Chassis)
1. Turn off the computer and peripherals, disconnect them from their electrical outlets, wait at least 5 seconds, and then remove the computer cover .
2. Rotate the power supply away from the system board.
3. Disconnect the DC power and interface cables from the back of the drive.
4. Remove the drive bracket from the chassis drive bay you want to use.
Squeeze together the metal tabs that extend from each side of the drive bracket, and pull the bracket out of the bay (see the following figure).
Removing a Drive Bracket (Desktop Chassis)
5. Remove the drive from the bracket.
Turn the drive/bracket assembly upside down and remove the four screws that secure the drive to the bracket (see the following figure).
Removing the Drive from the Bracket
CAUTION: Before you perform this procedure, see " Precautionary Measures ."
NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the
system board has turned off. To locate this indicator, see " System Board Components " or " Interior Service Label ."