Dell Dimension 4600C Owner's Manual - Page 45
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Light Pattern A B C D A B C D Problem Description A possible video card failure has occurred. A possible floppy or hard drive failure has occurred. Suggested Resolution • If the computer has a video card, remove the card and reinstall it (see page 66), and restart the computer. • If the problem still exists, install a video card that you know works and restart the computer. • If the problem persists or the computer has integrated video, contact Dell (see page 83). Reseat all power and data cables and restart the computer. A B C D A possible USB failure has occurred. Reinstall all USB devices, check cable connections, and then restart the computer. No memory modules are detected. A B C D = yellow = green = off • Reinstall all memory modules (see page 68) and restart the computer. • To eliminate the possibility of a faulty memory connector, remove all memory modules (see page 68), reinstall one memory module (if the computer supports a single module), and then restart the computer. If the computer starts normally, move the memory module to a different connector and restart the computer. Continue until you have identified a faulty connector or reinstalled all modules without error. Advanced Troubleshooting 45