Dell Dimension 2100 System Reference Manual page 58

2. Press the drive between the two brackets until the drive is secured by
the clip.
3. Secure the drive to the front of the computer frame with the two screws
you removed.
4. Connect a power supply cable and the hard drive interface cable to the
new drive.
Power Supply and Fan Assembly
To remove the power supply and fan assembly:
1. Disconnect the AC power cable from the computer.
2.
Remove the computer cover
3.
Rotate the power supply
4. Disconnect the DC power cables from the POWER and OPTIONAL
POWER connectors on the
5. Disconnect the DC power cables from all the drives.
1 Power-supply retaining clips
2 Power supply and fan assembly
.
away from the system board.
system board
.