Hi there, this may be a very silly question amongst avid pc users however im sure you can understand my urgency here.. I just bought a new Mobo and Cpu (intel 4130 haswell and msi b85 gaming mobo) to upgrade from my amd system. however when completing the build I find that the power supply doesn't turn on at all. no startup no lights/fans or beeps. I then tried to put back together my old build with the amd cpu and motherboard and still the same thing. Do you think I need a new Psu?
Power Supply not Turning on
- Thread starter dwyerr
- Start date
Solution
wolverine96
Reputable
- Mar 26, 2014
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Have you tried testing the PSU with the paper clip test?
I would plug a fan or two into the PSU first; don't run it with nothing plugged in.
I would plug a fan or two into the PSU first; don't run it with nothing plugged in.
patrick47018
Splendid
- Jan 14, 2013
- 3,637
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I'm going to try this in the morning after checking a quick demonstration of that thanks. One thing I think I should note, the 1150 mobo has a 8pin cpu connector where as my amd system had a 4pin. I accidently tried powering the system first with just a 4pin connector before realising. Would that have possibly fried the motherboard?
TheChick3n
Reputable
- Apr 22, 2014
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If it fits... It should have worked. If it was 4+4 it should work. Only one fits.
If it was 8 pin. It still should work. unless if it fits both ways. then you might have fried it.
I also have problems too. Try turning it on with just 1 stick of RAM. Remove everything GPU, Disk, add on cards.
Make sure everything is plugged in tight.
If it doesn't work... (If there is a) CLR_CMOSHW or CLR_CMOS remove the switch then plug in to power. I have to keep my CLR_CMOSHW switch off or it won't turn on. So try that.
If it was 8 pin. It still should work. unless if it fits both ways. then you might have fried it.
I also have problems too. Try turning it on with just 1 stick of RAM. Remove everything GPU, Disk, add on cards.
Make sure everything is plugged in tight.
If it doesn't work... (If there is a) CLR_CMOSHW or CLR_CMOS remove the switch then plug in to power. I have to keep my CLR_CMOSHW switch off or it won't turn on. So try that.
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