Dell OptiPlex GX1p - Manual (Page 50)

To remove a 5.25-inch drive assembly, follow these steps:
1. Remove the 3.5-inch diskette drive assembly.
2. Disconnect the DC power cable and the interface cable from the back of the 5.25-inch drive.
3. Lift the 5.25-inch drive assembly straight up and out of the chassis.
4. Lay the 5.25-inch drive assembly upside down; then remove the 4 screws attaching the drive to the bracket.
When you replace the 5.25-inch drive, place the front of the drive toward the front of the bracket; then install the 4 screws, but do not tighten them. Align the screws
with the score marks on the bracket, and tighten the screws in the order stamped on the bottom of the bracket.
Check the alignment of the computer cover around the 5.25-inch drive bezel. Adjust the drive forward or backward on the bracket to align it.
Hard-Disk Drive Assembly Removal
To remove the hard-disk drive, follow these steps:
1. Disconnect the DC power cable and the interface cable from the back of the drive.
2. Loosen the captive screw that secures the hard-disk drive bracket to the chassis.
3. Pivot the hard-disk drive assembly up and lift it out of the chassis.
4. Remove the 4 hard-disk drive mounting screws that attach the hard-disk drive to the hard-disk drive bracket.
When you reinstall the hard-disk drive assembly, be sure that the tabs on the back of the mounting plate fully engage the notches on the chassis before you rotate the
assembly into place.