Dell Dimension XPS 50 Reference Manual page 59

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10. Replace the bezel as described earlier in "Removing and Replacing the Bezel."
11. Make sure that no cable connections were loosened during the procedure.
Arrange cables so that they will not interfere with replacing the computer cover
and support beam.
12. Replace the computer cover and support beam and tighten the cover-mounting
thumbscrew.
13. Reconnect your computer and devices to their electrical outlets, and turn them on.
14. If you installed a drive that requires device drivers, such as a CD-ROM drive, refer
to the drive's documentation for driver installation instructions.
15. Verify the correct operation of the drive by running the Dell Diagnostics (refer to
"Running the Dell Diagnostics" in Chapter 4).
In addition to the externally accessible drive bays, your computer has two internal
bays for 1-inch–high hard-disk drives. One bay is occupied with your Dell-installed
hard-disk drive. Use the procedures in this section to upgrade a hard-disk drive or
install a second drive.
To install a drive in the primary hard-disk drive bay, perform the following steps:
1. Prepare the drive for installation as described earlier in "Configuring Drives."
NOTE: For EIDE drives, the boot drive should correspond to Primary IDE Master
in the system setup program.
2. Remove the bezel as described earlier in "Removing and Replacing the Bezel."
3. Remove the drive already installed in the bay.
Remove the two screws securing the hard-disk drive to the front of the chassis
(see Figure 3-11). Disconnect any cables attached to the drive.
4. Connect a DC power cable and the EIDE cable to the new drive as described ear-
lier in "Connecting Drives."
5. Install the new drive in the bay.
Orient the drive with its circuit board facing the front of the chassis, and place the
drive in the card-guide assembly as shown in Figure 3-11. Secure the drive to the
chassis with the two screws you removed in step 3.
Installing Drives 3-13