The HDD is very slow when starting windows, reinstalling does not help, how to fix it?

Question

Windows

Hello, there is a problem, a PC on an AM2 motherboard socket, after a while, strong braking began during loading and operation, about 7-10 minutes.
Windows has been reinstalled but the problem persists.
The hard drive was also replaced, but the problem still persisted.
There are thoughts about the motherboard. Am I thinking in the right direction?
The drives pass the MHDD test satisfactorily.

Answer 1

As an option, the "slow" mode of the disk is set. What thread pio. Bios reset?
Do a disk speed test. Not only for reading / writing, but also for the duration of access.

Answer 2

It could be anything. need to be tested.
Maybe the disk, maybe the conders on the motherboard are swollen, maybe the power supply is junk.
I have seen cases where a faulty keyboard slowed down and sometimes hung the system.