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apale2
Beginner
912 Views

DZ77GA-70K board wont turn on, 3 beep error code 20

Hi All,

I have a problem...Ive had this board for a couple years now and its worked perfectly on the lastest bios. Recently I installed a 3 pin fan to the rear and aux fan header on the motherboard and the cpu wont turn on and its giving me the 3 beep and error code 20. I took out the 2 fans from the header and everything is back to normal. I looked in the bios and the fans are set to Auto for both headers.

Can this board work with 3 pin fans? if so how? what do I have to change in the bios to get this to work?

Thanks

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apale2
Beginner
39 Views

The Problem was Speedfan...That program caused all this mess

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