Troubleshooting Computer Hardware

The following sections cover troubleshooting issues you might encounter with the major hardware subsystems found in typical computers.

Troubleshooting the Motherboard

Because the motherboard is the “home” for the most essential system resources, it's often the source of many different problems. Here are some typical problems associated with the motherboard that cause the system to lock up, and solutions for them.


This section focuses on some common causes of problems that are likely to be covered on the A+ Certification Exam.

Corrosion on Memory Contacts

Memory contacts can become unreliable for various reasons. ...

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