This is the most basic test to see if the PSU is completely fried.
Your power supply is a critical component of your PC, responsible for providing power to all other components. A failing or inadequate power supply can cause a range of problems, including: check power supply on pc
A utility to simulate high-power usage to check for voltage drops: This is the most basic test to see
Before testing, you should know exactly what hardware you have. Most PSUs do not communicate their model or wattage directly to Windows software. check power supply on pc