Precautionary Measures; C Omputer Covers - Dell 4100 Service Manual

4-2 Dell PowerEdge 4100/180 and 4100/200 Systems Service Manual
P
recautionary Measures
Before you perform any of the procedures in this chapter, take a few moments
to read the following warning for your personal safety and to prevent damage to
the computer system from ESD.
WARNING FOR YOUR PERSONAL SAFETY AND PROTECTION
OF THE EQUIPMENT: Only service technicians trained by Dell should
perform the following procedures. Before you start to work on the com-
puter, perform the following steps in the sequence listed.
1. Turn off the computer and any attached peripherals.
2. Disconnect the computer and any attached peripherals from their
power sources to reduce the potential for personal injury.
3. Disconnect any communications cables.
4. Wear a wrist grounding strap, and clip it to an unpainted metal sur-
face, such as a part of the back panel, on the computer chassis.
If a wrist grounding strap is not available, touch the fan guard or
some other unpainted metal surface on the back of the computer to
discharge any static charge from your body.
C
omputer Covers
Figure 4-1. Computer Covers Removal
screw (6)