Dell OptiPlex Gxi - Manual (Page 108)

Drive Hardware Removal (Mini Tower Chassis): OptiPlex GXi
Drive Hardware | 3.5-Inch Drive Assembly Removal | 3.5-Inch Diskette-Drive Removal | 5.25-Inch Drive Assembly Removal | 5.25-Inch Drive Removal | Hard-Disk
Drive Bracket Removal | Hard-Disk Drive Removal
Drive Hardware
3.5-Inch Drive Assembly Removal
1. Disconnect the DC power cable and the interface cable from the back of the diskette drive.
2. Press the retaining tab release button, and pull the drive assembly forward to remove it.
3.5-Inch Diskette-Drive Removal