February 1, 2023
daniiD/Shutterstock.com Your PSU is the foundation of your PC build, and testing your PSU, whether it’s brand new or recycled from an older build, is easy and inexpensive insurance against future problems. Why Test Your Power Supply Unit? The obvious answer might be simply to ensure it’s working, and if it seems like it’s working…

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Your PSU is the foundation of your PC build, and testing your PSU, whether it’s brand new or recycled from an older build, is easy and inexpensive insurance against future problems.

Why Test Your Power Supply Unit?

The obvious answer might be simply to ensure it’s working, and if it seems like it’s working fine, why bother?

The more nuanced answer is that unless your PSU fails to turn on or dramatically snaps, crackles, pops, or outright flames itself out of service when it does turn on, problems aren’t always immediately obvious.

Signs of failure aren’t always so obvious, though. Sometimes a PSU will turn on, and the computer might even boot up.

But issues like unstable voltage on a certain connection will lead to irregular but persistent problems that are difficult to pin down, like blue screen of death crashes that only happen under very specific conditions.

If you don’t test your PSU, the source of those problems is almost impossible to detect otherwise.

When and How to Test Your Power Supply Unit

Because of all…

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