Diagnose Windows Hardware With PartedMagic or The Ultimate Boot CD The most common PC hardware failures include GPUs, hard drives/SSDs, RAM, PSUs, fans, and CPUs. Built-in Windows 10/11 diagnostic ...

If your PC restarts unprompted, freezes, or programs crash, this could indicate a RAM problem. We'll show you how to use the memory diagnostics tool to find out whether the RAM really is the problem.