I have a desktop computer that has been working fine for about 2+ years until yesterday. We had a power failure yesterday and ever since, it is behaving like a beast. Initially it would not come on at all. There were no beeps but i did have lights and the sound of the fan and nothing on the screen. So, i took the battery out to clear CMOS and it eventually decided it would start after all.
However, it now boots up (apparently perfectly normally) and then runs for anything from about 3 seconds to 30 minutes. And then it just stops. The screen simply freezes. The only control that has any effect on it is the power button which immediately shuts it down. It will restart again and repeat the same process.
I have flashed the BIOS as i thought that might be the problem but it made no difference.
Do you have any ideas as to what the problem might be?
Many thanks in advance for your help!
By the way, the PC has a Gigabyte 875P GA-8IK1100 motherboard in case that helps.