I've seen a few others on Nvidia's forum with this issue. I installed a fresh copy of W8.1 and then installed the latest drivers from Nvidia and after my PC came out of sleep the fans on my MSI GTX780 are running a max. Only way to fix is to fully uninstall the drivers which works some times or reinstall Windows again. I have the Asus Z87 Gryphon mb. I had an MSI Z87 Gaming board, but had to RMA it. It did not have the issue. Is it something the Asus board is doing. Driving me NUTS!!!
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