Question Computer doesn't boot, no idea what the problem is

Sep 29, 2021
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Hi everyone. I've had to replace the PSU, CPU and motherboard in my PC over the past two months. I'm completely stumped on what the issue could be now. I've made sure that each cable to secured to every connector, I've tried using each stick of RAM in every slot but still nothing. The PC seems to turn on for one second, instantly shuts down and doesn't turn back on unless I unplug and replug the PSU. None of the error code lights on the motherboard light up. Does anyone have any idea idea what the issue could be?
 

helper800

Distinguished
Hi everyone. I've had to replace the PSU, CPU and motherboard in my PC over the past two months. I'm completely stumped on what the issue could be now. I've made sure that each cable to secured to every connector, I've tried using each stick of RAM in every slot but still nothing. The PC seems to turn on for one second, instantly shuts down and doesn't turn back on unless I unplug and replug the PSU. None of the error code lights on the motherboard light up. Does anyone have any idea idea what the issue could be?
Please post a complete list of your PC's hardware components.
 
Sep 29, 2021
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Sorry, completely slipped my mind.
Intel i5 9600k,
Asus Prime Z390-A motherboard,
EVGA Supernova 750 GT,
two sticks of adata XPG Spectrix D60G memory and one stick of Crucial Ballistix Tactical Tracer RGB memory,
Gigabyte GTX 1060 WF2 6gb.
 

Bob.B

Respectable
The motherboard, CPU and a single stick of memory. All my drives have been unplugged.
No monitor connected?

On a piece of cardboard.
psu+mobo+cpu/hsf+1 stick of ram.

If it won't power up try a different stick of ram.

If it still won't power up your down to 3 parts.

===================

After thought.....replace the bios battery....it's cheap.
 
Sep 29, 2021
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, instantly shuts down and doesn't turn back on unless I unplug and replug the PSU.

Something is tripping out the safety on the power supply.

You did only use the new power supply cables right?

Take the PC out of the case and try it.
Thank you so much! This worked, I didn't really think the cables would cause a problem.
 

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