If you added or removed a computer part before the problem started, review the installation procedures and ensure that the part is correctly installed.

If a peripheral device does not work, ensure that the device is properly connected.

If an error message appears on the screen, write down the exact message. This message may help technical support diagnose and fix the problem(s).

If an error message occurs in a program, consult the program's documentation.

Battery Problems

Fill out the

Diagnostics Checklist

as you complete these checks.

CAUTION:

There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent type

recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions.

CAUTION:

Before you begin any of the procedures in this section, follow the safety instructions in the System Information Guide.

Replace the battery —

If you have to repeatedly reset time and date information after turning on the computer, or if an incorrect time or

date displays during start-up,

replace the

Card Problems

Fill out the

Diagnostics Checklist

as you complete these checks.

CAUTION:

Before you begin any of the procedures in this section, follow the safety instructions in the System Information Guide.

Check the card seating and cable —

1. Turn off the computer and devices, disconnect them from electrical outlets, wait 10 to 20 seconds, and then open the

battery. If the battery still does not work properly,

contact

Dell.

computer

cover.

Table of Contents

Troubleshooting

This manual is also suitable for:

Precision 650

Solving Problems; Troubleshooting Your Computer; Battery Problems; Card Problems - Dell Precision Workstation 450 User Manual