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Question:

A user reports that his computer is smoking and has a burning smell. As soon as you shut it down, you see burn marks on the motherboard. You replace the motherboard. The user complains of more smoke the next day, and you can see that the motherboard has also been burned. What is the BEST course of action in this situation?

A Replace the motherboard and power supply.
explanation

If a component such as a motherboard or video card has scorch marks, it's possible that the component failed. It can potentially be a symptom of a power supply problem. It may be wise to test the power supply if you notice a burn mark on a component. Not all power supply issues will be detected by a tester. If you replace the damaged component but the problem still persists, you should definitely replace the power supply as well.

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