Hi,
I recently bought the same motherboard (asrock b75 pro3-m) to build a new hackintosh and it doesn't wake up from sleep. The screen stays black and after about 5-10 minutes it reboots itself. I'm running bios 1.60 (patched), i7 3770s, 8gb ddr3 1600mhz, no addon cards. Any clue?
Thanks in...