Travis90 Posted October 3, 2009 Share Posted October 3, 2009 Hi! I recently bought a PSU Corsair HX620W and the Mobo Gigabyte-MA790fxt-ud5p My problem is that: if I connect this PSU with this mobo, the latter doesn't turn on, and also the led of the mobo!! :(: But if I connect this PSU with another mobo (asrock k10n78-1394), it works!!! So I suppose that the PSU is OK... So I connect a cheap PSU of 550Watt at the gigabyte, and this time it works!!! So... it's possible that this PSU is incompatible with this expensive Gigabyte?? I connect the Corsair with the gigabyte using: First time: 24pin+4pin, then 24pin only, then 24+8, 20 only, 20+4, 20+8... So I tried all the possible configuration of connection, but the mobo doesn't work... I find on the web that maybe there is a problem with the "Power Good" signal of the mobo.... Can you Help me? Please!! :praise: Link to comment Share on other sites More sharing options...
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