Dell PowerEdge 2550 - Manual (Page 50)

3. Using the system key, turn the keylock on the top of the chassis to the unlocked position (see Figure 7 -1 ).
4. Press the two latches to release the right door (see Figure 7 -1 ).
5. Lift the right door.
6. Lift the left door.
When closing the doors, be sure to close the left door first and then the right door.
Figure 7-1. Opening the System Doors
Removing the Front Bezel
You must remove the system's front bezel before installing or removing a hard-disk drive or using the diskette or CD-ROM drive.
To remove the front bezel, perform the following steps:
1. Unlock and open the system doors (see " Opening the System Doors ").
2. Pivot the two locking levers towards the front of the chassis (see Figure 7 -2 ).
3. Press the tab on each end of the bezel and remove the bezel from the chassis (see Figure 7 -2 ).
Figure 7-2. Removing the System Bezel
Removing and Replacing the Expansion-Card Cage
Your Dell system has a removable expansion-card cage, which simplifies many installation procedures by allowing you to remove the riser board and all