How To Diagnose and Troublshoot CPU Problems
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These are some symptoms that may be caused by the CPU. Other components may also cause these same symptoms, check the general diagnosis page for more information. Whether a complete failure or an intermittent problem, CPUs rarely fail. However, if it does fail, it is most commonly as a result of some sort of electrical anomaly such as a power surge, brown out or spilling a Pepsi on it and causing a short. A faulty CPU, memory or motherboard may be impossible to distinguish. They each can cause some of the same symptoms. The symptoms may repeat frequently or infrequently. The same problem may repeat or you may get a variety of strange behaviors. In most cases, the only way to know for sure if a CPU is causing a problem is to replace it with one known to be working. Since most people don't have spare CPUs sitting around, this solution is usually a last resort. That is why in this table we try to steer you to other causes that are more easily tested and ruled out before replacing the CPU.
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