Dell bpcwcsn_5 User's Guide - Page 331

Light Pattern Problem Description Suggested Resolution Memory modules are detected, but a memory failure has occurred. • If you have one memory module installed, reinstall it and restart the computer (see "Memory" on page 291 for instructions on how to remove and install memory modules). • If you have two or more memory modules installed, remove the modules, reinstall one module, and then restart the computer. If the computer starts normally, reinstall an additional module. Continue until you have identified a faulty module or reinstalled all modules without error. • If available, install properly working memory of the same type into your computer. • If the problem persists, contact Dell. A possible graphics card failure has occurred. • If the computer has a graphics card, remove the card, reinstall it, and then restart the computer. • If the problem still exists, install a graphics card that you know works and restart the computer. • If the problem persists or the computer has integrated graphics, contact Dell. A possible floppy or hard drive failure has Reseat all power and data cables and occurred. restart the computer. A possible USB failure has occurred. Reinstall all USB devices, check cable connections, and then restart the computer. Troubleshooting Tools and Utilities 331