Setup Guide

22 Dell™ Latitude™ C840 System Information Guide

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Running the Dell Diagnostics

Dell provides a number of tools to help you if your computer does not perform as expected.

For information on these help tools, see your User’s Guide.

If you have a computer problem and are unable to access the online User’s Guide, use the

Dell Diagnostics to help you determine the cause of the problem and to help you solve it.

The Diagnostics are on the Drivers and Utilities CD that came with your computer.

NOTE: Run the Diagnostics before you call Dell technical support because the diagnostic tests

provide information you may need when you call.

To start the Diagnostics, perform the following steps:

1 Insert the Drivers and Utilities CD into the CD, CD-RW, or DVD drive.

2 Turn off the computer.

3 If the computer is undocked, undock the computer.

4 Ensure that the computer is connected to an electrical outlet.

5 Turn on the computer with the Driver and Utilities CD in the CD, CD-RW, or DVD

drive.

6 Press to enter the system setup program as soon as the Dell logo screen appears,

and before the Microsoft

Windows

logo screen appears.

NOTE: Write down your current boot sequence in the event you want to restore it after running

the Dell Diagnostics.

Select the Boot Order page of the system setup program. Make a note of the device

currently set as the first (top) boot device, and then set the first three devices in the

boot sequence in the following order:

• Diskette Drive

• CD/DVD/CD-RW Drive

• Internal HDD

8 Save your changes and press to exit the system setup program and restart the

computer to boot from the CD.

The computer starts and automatically begins to run the Dell Diagnostics.

9 When you have completed running diagnostics, remove the Drivers and Utilities CD.

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