Dell Latitude C840 - Manual (Page 29)

3. Ensure that the computer is connected to an electrical outlet.
4. Turn on the computer with the Drivers and Utilities CD in the CD, CD-RW, or DVD drive.
5. Press to enter the system setup program as soon as the Dell logo screen appears, and before the Microsoft® Windows® logo screen appears.
6. 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:
l Diskette Drive
l CD/DVD/CD-RW drive
l Internal HDD
7. 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.
8. When you have completed running diagnostics, remove the Drivers and Utilities CD.
9. When the computer restarts, press as soon as the Dell logo screen appears, and before the Microsoft Windows logo screen appears.
10. In the system setup program, select the Boot Order page and reset the boot sequence to the original order
11. Press to exit the system setup program and restart Microsoft Windows.
12. Remove the CD from the CD, CD-RW, or DVD drive.
When you start the diagnostics, the Dell logo screen appears, followed by a message telling you that the diagnostics is loading. After the diagnostics loads,
the Diagnostics Menu appears.
To select an option from this menu, highlight the option and press , or press the key that corresponds to the highlighted letter in the option you
choose.
Diagnostics Menu
For a quick check of your computer, select Quick Tests from the Test All Devices or Test One Device option. Quick Tests runs only the subtests that do not
require user interaction and that do not take a long time to run. Dell recommends that you choose Quick Tests first to increase the odds of tracing the source
of the problem quickly.
For a thorough check of your computer, select Extended Tests from the Test All Devices option.
To check a particular area of your computer, select Extended Tests from the Test One Device option, or select the Advanced Testing option to customize your
test(s).
Advanced Testing
When you select Advanced Testing from the Diagnostics Menu, the following screen appears, listing the diagnostic test device groups and devices of the
selected device group, and it allows you to select categories from a menu. Press the arrow keys or to navigate the screen.
Advanced Testing Main Screen
Option Function
Test All Devices Performs extensive diagnostic tests or quick diagnostic tests on all devices.
Test One Device Performs extensive diagnostic tests or quick diagnostic tests on one device after you select it from a list of device groups. After
you select Test One Device, press for more information about a test.
Advanced Testing Allows you to modify the parameters of a test and select a group of tests to perform. You can access online Help for more
information about Advanced Testing.
Information and
Results Provides test results, test errors, version numbers of the subtests used by the Dell Diagnostics, and additional help on the Dell
Diagnostics.
Program Options Allows you to change the settings of the Dell Diagnostics.
Exit to MS-DOS Exits to the MS-DOS® prompt.