Dell OptiPlex 740 Quick Reference Guide - Page 60
Resolving Software and Hardware Incompatibilities, Start, Help and Support., Fix a Problem - windows xp
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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 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 key pressed 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 Type hardware troubleshooter in the search field and press 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 Type hardware troubleshooter in the search field and press 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