Healthy Computer Suddenly Doesn't Power On

[Coolman5401]

My PC was working perfectly fine, I took out the power supply to test another computer with it, put it back in my main computer. Now when I press the power button it turns on for a few seconds and then turns off for a few seconds, and repeats that cycle indefinitely. Never reaches bios, no signal to monitor, no beeps or error lights.
My specs:
Motherboard: ASUS PRIME B360M-A (300 Series) Intel LGA-1151

power supply: EVGA 500 W1 80+ White 500W

Ram: Patriot Memory Signature Lne DDR4 4GB

Graphics Card: Nvidia Geforce Gtx 1050ti

 

pls help ): ty

[Psittac]

clear CMOS?

[Trinity-W]

47 minutes ago, Coolman5401 said:

My PC was working perfectly fine, I took out the power supply to test another computer with it, put it back in my main computer. Now when I press the power button it turns on for a few seconds and then turns off for a few seconds, and repeats that cycle indefinitely. Never reaches bios, no signal to monitor, no beeps or error lights.
My specs:
Motherboard: ASUS PRIME B360M-A (300 Series) Intel LGA-1151

power supply: EVGA 500 W1 80+ White 500W

Ram: Patriot Memory Signature Lne DDR4 4GB

Graphics Card: Nvidia Geforce Gtx 1050ti

 

pls help ty

Try clear CMOS. Try remounting CPU. It could now be faulty your PSU. Might need a new PSU. 

[leclod]

Replug everything carefully. You've done something wrong.

 

Edit : how did the other computer do ?

[Coolman5401]

10 hours ago, Trinity-W said:

Try clear CMOS. Try remounting CPU. It could now be faulty your PSU. Might need a new PSU. 

Cleared CMOS, now it stays on but no video output from motherboard or graphics card.

[Robchil]

1 hour ago, Coolman5401 said:

Cleared CMOS, now it stays on but no video output from motherboard or graphics card.

check all plugs, sounds like your CPU power isn't connected. 

 

it's a small PSU.. wattage wise.. it is possible to "test" it on another system that trips the over draw protection and screws it up. when you plug it into your own system again. 

 

[Trinity-W]

2 hours ago, Coolman5401 said:

Cleared CMOS, now it stays on but no video output from motherboard or graphics card.

I'd check all cables. Run it with just memory, CPU, remount CPU, repaste it. 

[Coolman5401]

14 hours ago, Trinity-W said:

Try clear CMOS. Try remounting CPU. It could now be faulty your PSU. Might need a new PSU. 

Took everything off the motherboard then reassembled it and now it's back to working, thank you!

[Trinity-W]

2 minutes ago, Coolman5401 said:

Took everything off the motherboard then reassembled it and now it's back to working, thank you!

Great one man! Buzzing for you, it's great when you get a computer booting up and working after hours, days of messing around, a good buzz.