When To Use The Dell Diagnostics; Starting The Dell Diagnostics From Your Hard Drive - Dell Precision 490 Desktop User Manual

Seek error — See Drive Problems.
Shutdown failure — Run the Dell Diagnostics. See (see
Time-of-day clock stopped —
Time-of-day not set —
Enter system setup and correct the date or time (see
Timer chip counter 2 failed — Run the Dell Diagnostics. See (see
Unexpected interrupt in protected mode —
WARNING: Dell's Disk Monitoring System has detected that drive [0/1] on the IDE controller is operating outside of normal
specifications. It is advisable to immediately back up your data and replace your hard drive by calling your support desk or Dell —
If no replacement drive is immediately available and the drive is not the only bootable drive, enter system setup (see
change the appropriate drive setting to None. Then remove the drive from the computer.
Write fault —
Write fault on selected drive —
See Drive Problems.
<drive letter>:\ is not accessible. The device is not ready —
try again.
Dell Diagnostics
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

When to Use the Dell Diagnostics

If you experience a problem with your computer, perform the checks in
technical assistance.
It is recommended that you print these procedures before you begin.
NOTICE: The Dell Diagnostics works only on Dell™ computers.
NOTE: The Drivers and Utilities CD is optional and may not ship with your computer.
Enter system setup (see System Setup), review your computer's configuration information, and ensure that the device you want to test displays in system
setup and is active.
Start the Dell Diagnostics from either your hard drive or from the Drivers and Utilities CD (also known as the ResourceCD).

Starting the Dell Diagnostics From Your Hard Drive

1. Turn on (or restart) your computer.
2. When the DELL™ logo appears, press <F12> immediately.
NOTE: If you see a message stating that no diagnostics utility partition has been found, run the Dell Diagnostics from your Drivers and Utilities CD. See
Starting the Dell Diagnostics From the Drivers and Utilities
Dell Diagnostics).
System Setup). If the problem persists, replace the battery (see Battery).
Dell Diagnostics).
Run the Dell Diagnostics (see Dell
The floppy drive cannot read the disk. Insert a floppy disk into the drive and
Lockups and Software Problems
CD.
Diagnostics).
and run the Dell Diagnostics before you contact Dell for
System Setup) and