pc was working fine when i left but came home and it was just power cycling on and off constantly and won't turn on. I tried disconnecting my gpu. I tried moving the ram to another slot and also tried with just one stick in different slots. I also tried to reset and replace the cmos battery.
when the pc cycles on and off the tiny red cpu light flashes for a split second on the motherboard but not sure what that means if anything. I went to best buy and picked up a corsair RM750e to see if it was the psu and it does the same thing as the one that was in there now so I dont think it is that.
I took off the cpu cooler and cleaned off the thermal paste from the cooler and the cpu and and took out the cpu and put it back in and reapplied thermal paste still nothing
me and a buddy built my pc last year and everything has been working great till now. its like it wants to turn on. the fan spin for a second and it turns off then tries to turn on over and over.
specs that I can remember
i7 cpu 12th gen
deepcool ak620 cpu cooler
asus tuf z690 motherboard
T-FORCE VULCAN Z 16x2 32gb sure about the brand it might be 16gb
seasonic gx 850 psu
evga 3080 ftw3
all the parts were new except for the psu
so far I think I tried everything I can think of not sure what to do other then trying to rma the cpu and mother board they bough were bought at micro center.
Try this. Leave the 24 pin connected, but disconnect the 8 pin CPU power cable. See if the system stays on. It won't POST, but if it stays on, likely indicates the boards VRM is the root cause.
thanks I sent the mother board to ASUS RMA a few days ago will update post if that was the problem
I got my motherboard back from ASUS today and reassembled my PC, and it turns out it was in fact the motherboard that was the problem. The paper that they sent with it said the problem was "powers on but no response." If you can call that an answer, that's it.
It's up and running now, but I had another problem. I had bought a cheap Windows 11 key from scdkeys when I first built my PC last year, and I just found out that it couldn't be used after I switched motherboards since it was an OEM key and that it was from Windows 7. apparently that is what Microsoft told me. I used a workaround, got a license. dont ask lol
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