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support.dell.com Basic Troubleshooting 3-11
3. Change the first bootable device to IDE CD-ROM in the Boot Options screen.
Write down the first bootable device option that you are changing (usually
Floppy Disk A:) so you can change the setting back after you run the diagnostics.
See Appendix B, “System Setup Program,” for more information.
4. Insert the Dell Dimension ResourceCD into the optical drive.
5. Press <Esc> to exit and save the system setup program settings.
6. When the boot menu appears on the screen, select the 1. Start computer with
CD-ROM support option and press <Enter>.
7. Verify that the prompt drive letter is the optical drive letter in which you placed
the Dell Dimension ResourceCD (usually d:). If not, type the optical drive letter
followed by a colon <:>, and press <Enter>.
NOTE: Press <Shift> and <;> to type the colon <:>character on the Japanese
keyboard.
8. Type dimcdiag and press <Enter>.
The DIAGNOSTICS MENU appears (see Figure 3-1). The menu allows you to run
all or specific diagnostic tests or to exit to the MS-DOS prompt.
NOTE: Before you read the rest of this section, you may want to start the Dell
Diagnostics so that you can see it on the screen of your monitor.
9. After running the diagnostics, repeat steps 1 through 3 to reset the first bootable
device to its original option (usually Floppy Disk A:).
For a quick check of your system, select Quickly Test All Devices. This option 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 this option first to increase the odds of
tracing the source of the problem quickly. For a thorough check of your system, select
Fully Test All Devices. To check a particular area of your system, select Select
Devices to Test.
To select an option from this menu, highlight the option and press <Enter>, or press
the key that corresponds to the highlighted letter in the option you choose.