Dell XPS/Dimension XPS Gen 2 - Manual (Page 16)

Hard Drive
Removing a Hard Drive
1. Follow the instructions in " Before You Begin ."
2. Open the computer cover.
3. Disconnect the power and hard-drive cables from the drive.
4. Press in on the tabs on each side of the drive and slide the drive up and out.
Installing a Hard Drive
1. Unpack the replacement hard drive, and prepare it for installation.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.