Quick Reference Guide 33Beep CodesYour computer may emit a series of beeps during start up. The series of beepsis called a beep code and can be used to help identify a problem with yourcomputer.If your computer emits a series of beeps during start-up:1 Write down the beep code.2 Run the Dell Diagnostics to identify the cause (see "Dell Diagnostics" onpage 36).Code Cause2 short, 1 long BIOS checksum error1 long, 3 short, 2 short Memory error1 short F12 key pressedCode(repetitiveshort beeps)Description Suggested Remedy1 BIOS checksumfailure. Possiblemotherboard failure.Contact Dell (see "Contacting Dell" inyour User’s Guide).2 No memory modulesare detected.• If two or more memory modules areinstalled, remove the modules(see "Memory" in your User’s Guide),reinstall one module, and then restartthe computer. If the computer startsnormally, continue to install additionalmemory modules (one at a time) untilyou have identified a faulty module orreinstalled all modules without error.• If available, install working memory ofthe same type into your computer(see "Memory" in your User’s Guide).• If the problem persists, contact Dell (see"Contacting Dell" in your User’s Guide).3 Possible motherboardfailure.Contact Dell (see "Contacting Dell" inyour User’s Guide).