System won't power up

FireBlur

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Dec 1, 2014
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I am trying to upgrade my power supply and having troubles. I plugged it all in and the computer won't turn on so I unplugged everything besides a fan and used the paper lip method to test the power supply and it powered the fan. I tested the system with another power supply and it powered up fine. The new power supply is a tx 750
 
Just double check you have the 12v 24 pin main Atx power blocl connected from your PSU.

And that you have connected the eight pin E-atx 12v, or 12v Eps power connector of the Psu to the socket for the power on your motherboard.

That you have also connected the required 12v Pci-e power connectors to the graphics card if fitted to the Pci-e card slot of the motherboard.

Go to the back of the system case, locate the rocker switch on the PSU it`s self.

If it is set to it`s normal operating state, on.
Set it to off.
Turn the switch off at the wall socket from the PSU`s cord.
Pull the plug out and count ten seconds.

Plug it back in, and turn on the switch at the wall socket then return the rocker switch back to the normal power operation setting.

Press the power button on the system and see if it powers up FireBlur.
The PSU may of had one of it`s power protection circuits triggered, and this is how you clear them so the PSU will hopefully power the system up right once cleared of errors.
 

FireBlur

Reputable
Dec 1, 2014
38
0
4,530
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I have made sure everything is plugged in and followed your instructions and still didn't power up. It seems to me that the power supply cant deliver enough power however this is 150 more watts than my old corsair cx 600.

 

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