Dell Dimension 4700 Owner's Manual - Page 38

www.dell.com | support.dell.com Light Pattern ABCD ABCD ABCD Problem Description Memory modules are detected, but a memory failure has occurred. A possible graphics card failure has occurred. A possible floppy or hard drive failure has occurred. Suggested Resolution • If you have one memory module installed, reinstall it (see page 57) and restart the computer. • If you have two or more memory modules installed, remove the modules, reinstall one module (see page 57), 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 (see page 57). • If the problem persists, contact Dell (see page 105). • If the computer has a graphics card, remove the card, reinstall it (see page 60), 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 (see page 105). Reseat all power and data cables and restart the computer. A possible USB failure has occurred. ABCD Reinstall all USB devices, check cable connections, and then restart the computer. = yellow = green = off 38 Advanced Troubleshooting