Upgrading power supply - Computer boot for 1 sec then shutdown.. looping

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nzn
nzn Member Posts: 1 New User

Hi,

 

I have the DX4850-45cu system. I'm upgrading the video card so I needed a better PSU.


Just bought a Corsair TX850 and installed it.

PC will only start for 1-2 secs (fans will spin) but will turn off right after. This will loop forever.

I did the test with the paperclip and it works
If I try with my old PSU it works great so i'm guessing it's not the mobo.

I tried everything I found on google (removed battery, removed everything except heatsink+fan, etc)...

Is it maybe because it's a OEM system ? Please help

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