Dell OptiPlex GX100 - Manual (Page 46)

To remove the drive shelf from the chassis, perform the following steps:
1. Disconnect the power and interface cables from the diskette drive and CD-ROM drive.
2. Press inward on the two drive shelf release tabs, and pull the shelf forward and out of the chassis (see Figure 9).
Hard-Disk Drive
Figure 10. Hard-Disk Drive/Bracket Removal
To remove the hard-disk drive and its bracket from the chassis, perform the following steps:
1. If you are replacing a hard-disk drive that contains data you want to keep, make a backup copy of your files before you continue this
procedure.
2. Remove the computer cover if not already removed.
3. Remove the drive shelf .
4. Squeeze the tabs on each side of the hard-disk drive/bracket, and pull the hard-disk drive/bracket forward about one inch (see Figure 10).
5. Disconnect the power and interface cables from the back of the drive.
6. Lift the hard-disk drive/bracket away from the chassis.
7. Lay the hard-disk drive/bracket on an antistatic surface with its bracket facing up.
8. Remove the four screws securing the hard- disk drive to the bottom of the bracket (see Figure 11).
Figure 11. Drive Bracket Removal
1 Drive shelf
2 Release tabs (2)
1 Drive bracket
2 Release tabs (2)
CAUTION: To avoid the possibility of electric shock, turn off the computer and any peripherals, disconnect them from
electrical outlets, and then wait at least 5 seconds before you remove the computer cover. Also, before you remove a drive,
see the other precautions in "
Precautionary Measures ."
NOTE: This procedure assumes that you have removed the drive shelf from the chassis.