Checking power supply is not that much difficult anymore use this to check your PC smps power supply

this video is about how can you simply check your SMPS (switch mode power supply) at home by using "tweezers" and you don't need any expensive tools

all you need is a tweezer and an SMPS that's it.


if you don't have a visible color on your wire then follow the pin details as I showed in the video


and please stay insulated and be aware of what you're doing