Dell OptiPlex GX520 - Manual (Page 138)

3. Disconnect the power and CD/DVD drive cables from the back of the drive.
Installing a CD/DVD Drive
1. Unpack the drive and prepare it for installation.
Check the documentation that accompanied the drive to verify that the drive is configured for your computer. If you are installing an IDE drive, configure
the drive for the cable select setting.
2. If you are installing a new drive:
a. Press the two snaps on the top of the drive-panel insert and rotate the insert toward the front of the computer.
b. Remove the three shoulder screws from the drive-panel insert.
3. If you are replacing an existing drive:
a. Press the two snaps on the top of the drive-panel insert and rotate the insert toward the front of the computer.
b. Remove the three shoulder screws from the existing drive.
c. Insert the three shoulder screws into the sides of the new drive and tighten them.
4. Connect the power and CD/DVD drive cables to the drive.
5. Align the shoulder screws with the screw guides, and slide the drive into the bay until it clicks into place.
1 drive release latch
2 CD/DVD drive