Dell Vostro 400, Service Manual, Page: 78 / 118

5-2
Dell WorkStation 400 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 system from ESD.
WARNING FOR YOUR PERSONAL SAFETY AND PROTECTION
OF THE EQUIPMENT
Before you start to work on the system, 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. Also, dis-
connect any telephone or telecommunication lines from the
computer.
3. Wear a wrist grounding strap, and clip it to an unpainted metal sur-
face, such as the padlock loop on the back of the chassis. If a wrist
grounding strap is not available, touch any unpainted metal surface
on the back of the computer to discharge any static charge from your
body.