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A+ Certification Study Guide: Diagnosing & Troubleshooting

The following online study guide is designed to help you with your Comptia A+ test prep. You can discuss any questions or comments that you may have, either on these study guides or on the Comptia A+ test on our community forum.

POST audible/visual error codes - Extra Information

Error Range	Component
100-199	System board problem
200-299	Memory error
300-399	Keyboard problem
400-499	Video problems, monochrome
500-599	Video problems, color
600-699	Floppy disk errors
1700-1799	Hard disk problems

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