Resolving Software And Hardware Incompatibilities - Dell OptiPlex 740 DCSM Quick Reference Manual

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.
Code
2 short, 1 long
1 long, 2 short
1 long, 3 short, 2 short No memory
1 short

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
2 Type 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
2 Type 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.
60
Quick Reference Guide
Cause
BIOS checksum error
Memory test failure (bad memory during memory sizing)
<F12> key pressed
and click Help and Support.
→
Help and Support.