Official GIGABYTE Forum
Questions about GIGABYTE products => Motherboards with Intel processors => Topic started by: philjmor on January 05, 2010, 10:28:39 pm
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Hi
Just bought P55-UD3R Mobo and an i5 2.66GHz processor with 6GB of Cosair xms3 DDR3, i have an Artic 700watt PSU
Bolted it all together and when you press the power switch it comes on (PSU fan runs) for around a second then switches off, then on again and off.
Any ideas? tried a 500watt PSU too, same effect. So far I've tried:
*Taking out RAM
*disconnecting Hard Drive and Blu Ray
* using just the 20 way connector on the PSU
* using the 20 + 4 way PSU connectors
* 20 way plus an adaptor on the 8 way
All to no avail, stumped, don't have another DDR3 Mobo to try processor or Memory on, so bit stuck
Any help welcome
Thanks
Phil
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Not much help from me but info on similar problem with GA-P55A-UD4 and i7 860
My build would just try to start just as yours and I had not connected the 8pin power as I read in manual for mobo that that was for Intel Extreme (130W)
I attached the 8 pin and now it starts just fine. Now I have a modular PSU ( bequiet dark power 450W) so I have a separate 8pin power cable.
This means I have all 24 pins connected in the mian ATX connector plus a separate 8pin.
You mention an adaptor for the 8pin power. Maybe that is the problem.
Wish you luck and more replies.
Pa
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Thanks SoloTurbo, sounds like I'll be buying a new PSU :( Hopefully that will sort it, but have to wait and see.
Any other suggestions most welcome
Thanks
Phil
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Hi
Have checked out some PSU's and found that the one I have probably had the Molex to 8pin convertor with it, as it's still a current model, hopefully try it again this evening, but not convinced this will work
Help!!! :)
Thanks
Phil
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Hi Got another Artic PSU with 8pin connector and it now boots and posts!!
Thanks
Phil