Quick Reference Guide 41Memory modules are detected, but amemory configuration or compatibilityerror exists.• Ensure that no special memorymodule/memory connector placementrequirements exist.• Verify that the memory modules thatyou are installing are compatible withyour computer.• Reinstall the memory modules andrestart the computer.• If the problem persists, contact Dell.For instructions on contacting Dell,see your User’s Guide.A possible system board resourceand/or hardware failure has occurred.• Perform the procedures in "ResolvingSoftware and HardwareIncompatibilities" on page 32.• If the problem persists, contact Dell.For instructions on contacting Dell,see your User’s Guide.A possible expansion card failurehas occurred.1 Determine if a conflict exists byremoving a card (not a graphics card)and restarting the computer.2 If the problem persists, reinstall thecard that you removed, remove adifferent card, and then restart thecomputer.3 Repeat this process for each card.If the computer starts normally,troubleshoot the last card removedfrom the computer for resourceconflicts (see "Resolving Software andHardware Incompatibilities" onpage 32).4 If the problem persists, contact Dell.For instructions on contacting Dell,see your User’s Guide.Another failure has occurred.This pattern also displays whenyou enter system setup and maynot indicate a problem.• Ensure that the cables are properlyconnected to the system board fromthe hard drive, CD drive, and DVDdrive.• If the problem persists, contact Dell.For instructions on contacting Dell,see your User’s Guide.Light Pattern Problem Description Suggested Resolution
