The front bezel has status and attention indicators. Swinging the front bezel open provides access to the power switch, diskette drive, CD-ROM drive, hard-disk drive
(s), and power supplies. You must open or remove the front bezel and remove the system cover to gain access to internal components.

Removing the Front Bezel

1. Using the system key, unlock the front bezel.
2. Pull the bezel away from the system so that it is perpendicular to the system (see Figure5-2).
Figure 5-2. Removing the Front Bezel
3. Squeeze the retaining pins (see Figure5-2).
4. Rotate the pins upward into the retaining grooves to remove the bezel.

Replacing the Front Bezel

1. Align the two bezel retaining pins with the retaining hinge on the front of the system.
2. Rotate the pins downward, and release the pins to attach the bezel to the system.
3. Swing the bezel closed until the bezel snaps into place.
4. Using the system key, lock the bezel.
Removing and Replacing the System Cover
The system is enclosed by a front bezel and a cover. To upgrade or troubleshoot the system, remove the system cover to gain access to internal components.

Removing the System Cover

1. Open the front bezel.
See "Removing the Front Bezel."
2. Observe the precautions in "Safety FirstFor You and Your System."
3. Loosen the three thumbscrews on the front of the system (see Figure5-3).
4. Slide the system cover backwards and grasp the cover at both ends.
5. Carefully lift the cover away from the system.
Figure 5-3. Removing the System Cover
NOTE: The retaining pins are spring loaded. After rotating the pins downward and releasing the pins, they will automatically be inserted into the retaining hinge.
You may need to move the bezel slightly to properly align the pins with the retaining hinge.