Checking your PC's power supply unit (PSU) is a critical troubleshooting step when your computer suffers from random shutdowns, freezes, or fails to turn on at all. Because Windows does not have a native sensor to report the exact health of a PSU, you must use a combination of physical inspection, software monitoring, and manual testing to diagnose issues. 1. Identify Signs of a Failing Power Supply
Your PC suddenly turns off, especially during high-load activities like gaming or video editing. check power supply pc
Moving from software to hardware requires caution, as a PSU contains capacitors that can hold lethal charges. The initial physical check is non-invasive. With the PC unplugged, open the case and inspect the PSU through its ventilation grille. Look for bulging capacitors, a smell of burnt electronics, or visible dust bunnies that could cause overheating. If the unit is physically compromised, stop immediately and replace it. Checking your PC's power supply unit (PSU) is
After using one or more of these methods, you'll have a better understanding of your power supply's condition: Identify Signs of a Failing Power Supply Your
A metal paperclip and a PSU (detached from the motherboard is easiest, but you can do it while installed).