Dell Precision T3400 Quick Reference Guide (Multilanguage: English, Japanes - Page 34

Light Pattern Problem Description Memory modules are detected, but a memory failure has occurred. Suggested Resolution • If two or more memory modules are installed, remove the modules (see "Removing a Memory Module" in your User's Guide), then reinstall one module (see "Installing a Memory Module" in your User's Guide) and restart the computer. If the computer starts normally, continue to install additional memory modules (one at a time) until you have identified a faulty module or reinstalled all modules without error. • If available, install working memory of the 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). A possible graphics card failure has occurred. • Reseat any installed graphics cards (see "Cards" in your User's Guide). • If available, install a working graphics card into your computer. • If the problem persists, contact Dell (see "Contacting Dell" in your User's Guide). A possible floppy or hard drive failure has occurred. • Reseat all power and data cables and restart the computer. • If the problem persists, contact Dell (see "Contacting Dell" in your User's Guide). A possible USB failure • Reinstall all USB devices, check cable has occurred. connections, and then restart the computer. • If the problem persists, contact Dell (see "Contacting Dell" in your User's Guide). 34 Quick Reference Guide