Dell PowerEdge 850 - Manual (Page 107)

c. Unhook the right end of the bezel and pull the bezel away from the system.
Figure 4-2. Installing and Removing the Optional Bezel
2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet and peripherals.
3. Remove the system from the rack and place it on a work surface.
4. To remove the system cover, loosen the thumbscrew at the back of the system. See Figure 4 -3 .
5. Slide the cover backward about 1.3 cm (0.5 inch), and grasp the cover on both sides.
6. Carefully lift the cover away from the system.
Figure 4-3. Installing and Removing the System Cover
Closing the System
1. Ensure that you did not leave tools or parts inside the system.
2. Place the cover over the sides of the chassis, and slide the cover forward.
3. Tighten the thumbscrew at the back of the system to secure the cover. See Figure 4 -3 .
4. Replace the system in the rack, and reconnect the peripheral cables.
5. To replace the optional bezel, hook the right end of the bezel onto the chassis, then fit the bezel onto the system. Secure the bezel with the keylock.
See
Figure 4 -2 .
6. Reconnect the system to the electrical outlet, and turn on the system.