Problem with power supply over voltage

[V8mun]

My gaming computer are bought in last year I use it without any problem occur(no over clocking). But yesterday I use my computer usually, suddenly the computer is restart and bring me to bios, and say the motherboard has detect power over supply and start to surge protection. After that I shut down the computer and turn it on, it already direct me to bios with same problem. My spec for this computer is i7 3770k, gtx760, 750w cooler master, b75m-a mother board. can someone help me what really the problem is? Thanks

 

[Dogsnake]

Sounds like the PSU has gone bad. Depending on where you bought it (country) and the model it could have a 1-5 year warranty. Check the Cooler Master site for your specific info. Send it back for replacement. The PSU is the most likely cause of the issue. However if the voltage regulating elements on the MB have failed then that could be the cause also. This is rare but happens. If you have a spare PSU or can borrow one swap it out, if not send it back or replace it as a first step to solving the issue.

 

[V8mun]

Sounds like the PSU has gone bad. Depending on where you bought it (country) and the model it could have a 1-5 year warranty. Check the Cooler Master site for your specific info. Send it back for replacement. The PSU is the most likely cause of the issue. However if the voltage regulating elements on the MB have failed then that could be the cause also. This is rare but happens. If you have a spare PSU or can borrow one swap it out, if not send it back or replace it as a first step to solving the issue.

Thanks for your helping, I very appreciate it. I have try to start computer again, and it seem ok in couple minute, but after that it happen again, so it is the PSU problem?if it is MB problem, can I upgrade to gigabyte z77?