Dell Dimension 9200 Owner's Manual - Page 50

Light Pattern Problem Description Memory modules are detected, but a memory failure has occurred. A possible graphics card failure has occurred. A possible floppy drive or hard drive failure has occurred. Suggested Resolution • If two or more memory modules are installed, remove the modules (see "Removing Memory" on page 85), then reinstall one module (see "Installing Memory" on page 83) and restart the computer. If the computer starts normally, continue to install additional modules (one at a time) 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 (see "Installing Memory" on page 83). • If the problem persists, contact Dell (see "Contacting Dell" on page 137). • Reseat any installed graphics card (see "Cards" on page 86). • If available, install a working graphics card into your computer. • If the problem persists, contact Dell (see "Contacting Dell" on page 137). Reseat all power and data cables. A possible USB failure has occurred. Reinstall all USB devices and check all cable connections. 50 Troubleshooting Tools