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Corsair TX 850 Weird Shutdown


heavy_metal

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I installed this power supply and it powers my system flawlessly but when I go to shutdown the system it powers off fully for about 3-5 seconds and then powers back on all by itself with my old power supply it never did this I was wondering if anyone had ideas on this issue. It is really annoying to have to flip the power switch to get it to completely shutdown. If it is powered down this way and then I flip the switch back on it doesn't randomly start back up so I am really confused. Thanks for any help.
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  • Corsair Employee
First make sure you have the latest BIOS for the board and then load setup defaults in the BIOS. If nothing changes, try shutting down the system while in safe mode and see if you have the same problems. Let us know your results!
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  • Corsair Employee
Try disconnecting the power button from the motherboard and bridge the two pwr pins with a screwdriver or a paperclip to boot the system up. The only way the PSU will turn on is when the green wire on the 24-pin connector is bridged with a black ground wire, this is controlled primarily through the motherboard and the PSU can not turn itself on.
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  • Corsair Employee
I unplugged the power button connector and the system is still booting back up when I shut it down I unplugged all things from there even the reset switch and it still boots up upon shut down. I am so very confused.

 

At this point I would test the PSU in a different system to see if its somehow the PSU thats responsible, or to see if you can rule it out and focus on narrowing down the issue to the other components.

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Yes but I have been using it like that for months and then when I switched power supplies it started doing this but now I switched psu's back to the old one it is still doing it. I have tried default bios on both and everything that I tried with new one with old psu and it still does it I am thinking that my motherboard got screwed up or something I am not sure.
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Problem resolved I cleared the CMOS and it magically worked not really sure what was screwed up but it works fine now and gratefully it wasn't the PSU.

 

It's always good to hear solution that does not involve shipping things away or buying new parts. ;):

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