Turn off your PC and unplug the power cord from the wall. Press the power button on the case for 5 seconds to drain residual charge.
Read the specification sticker affixed to the side of the unit. Look for fields labeled or a large bold number followed by a "W" (e.g., "650W" or "750W" ). how to check power supply wattage windows 10
Since Windows cannot read hardware wattage, opening your computer case is the only way to get 100% accurate information. Turn off your PC and unplug the power cord from the wall
Enter your CPU, GPU, RAM, storage drives, and fans. The calculator will recommend a (e.g., "450W – 550W"). "450W – 550W"). For brand-name computers
For brand-name computers, Windows can sometimes identify the model, and you can look up the original PSU wattage online.