Dell Dimension 3100/E310 - Manual (Page 24)

3. Press the blue tabs on each side of the drive towards each other and slide the drive up and out of the computer.
Installing a Hard Drive
1. Unpack the replacement hard drive, and prepare it for installation.
2. Check the documentation for the drive to verify that it is configured for your computer.
3. Gently slide the drive into place until you hear a click or feel the drive securely installed.
4. Connect the power and hard-drive cables to the drive.
1 serial ATA data cable
2 power cable
1 tabs (2)
2 hard drive
NOTE: If your replacement hard drive does not have the plastic guide bracket attached, remove the bracket from the old drive by unsnapping it from the
drive. Snap the bracket onto the new drive.
1 drive
2 bracket rails (2)