⚡ Diagnose Power Supply Problems

Last updated: October 7, 2025

Identify PSU failures and test your power supply safely.

Overview

PC not turning on or randomly shutting off? Could be the power supply.

What this helps with

What to expect: Hard difficulty • usually about 30-45 minutes.

This is one of 61 Hardware Diagnostics & Repair fixes in the WindowsHelper library. The full step-by-step fix lives in the WindowsHelper app.

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