Dell PowerEdge 1750 - Manual (Page 23)

Replacing the Bezel
To replace the front bezel, fit the tabs on the bezel into the corresponding slots in the front panel and lock the keylock.
System Covers
Two covers on the top of the system provide access to the system board and other internal components.
Opening the System Covers
1. Slide the system out of the rack.
2. If the front bezel is installed, remove the front bezel. See " Optional Front Bezel ."
3. If the optional security screw is installed on the system cover (see Figure 4 -2 ), remove it now.
Figure 4-2. Opening the System Covers
4. Press the latch on the system front panel and lift the left cover.
5. Lift the right cover.
Closing the System Covers
1. Close the right (larger) cover first and then close the left cover.
2. Press firmly on the left cover to snap the securing latch into place.
3. Replace the optional front bezel, if one was installed. See " Replacing the Bezel ."
CAUTION: Only trained service technicians are authorized to open the system covers and access any of the components inside the system. See
the System Information Guide for complete information about safety precautions, working inside the system, and protecting against electrostatic
discharge.