60 Quick Reference Guide
If your computer beeps during start-up:
1
Write down the beep code.
2
See "Dell Diagnostics" on page 51 to identify a more serious cause.
3
Contact Dell for technical assistance. For information on contacting Dell,
see your online
User’s Guide
.

Resolving Software and Hardware Incompatibilities

If a device is either not detected during the operating system setup or is
detected but incorrectly configured, you can use the Hardware
Troubleshooter to resolve the incompatibility.
Windows Vista
1
Click
Start
and click
Help and Support.
2
Ty p e
hardware troubleshooter
in the search field and press
<Enter> to start the search.
In the search results, select the option that best describes the problem and
follow the remaining troubleshooting steps.
Windows XP
1
Click
Start
→
Help and Support
.
2
Ty p e
hardware troubleshooter
in the search field and press
<Enter> to start the search.
3
In the
Fix a Problem
section, click
Hardware Troubleshooter
.
4
In the
Hardware Troubleshooter
list, select the option that best describes
the problem and click
Next
to follow the remaining troubleshooting steps.
Code Cause
2 short, 1 long BIOS checksum error
1 long, 2 short Memory test failure (bad memory during memory sizing)
1 long, 3 short, 2 short No memory
1 short <F12> key pressed