It is best to research them online for diagnosis. Unexplained shutdowns of your PC can also indicate a motherboard problem. In such cases, you should first rule out other causes.

Another way to tell if your PSU is on its way out or requires replacing is when attempting to play games or work with higher system loads. The PC will perform a power test when booting up, which ...

Power is turned on. The CPU hands control over to the BIOS. The BIOS runs a program called Power-On Self Test, which determines how much memory the computer has and then confirms that critical low ...