A: Yes – under load, some PSUs fail (coil whine, thermal shutdown, ripple). The best test is swapping in a known good PSU.

Guide version 1.0 – Last updated: 2025

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A: Yes – under load, some PSUs fail (coil whine, thermal shutdown, ripple). The best test is swapping in a known good PSU.

Guide version 1.0 – Last updated: 2025 psu checker