The G30 Ab Supports W10 , I Have One , You Can Install The original W8.1 drivers for over clocking and they will work just fine , What Bios Do You Have In stalled , Every 8.1 driver should install On That PC , chip set does not care what version of windows you have , When you did a clean install W10 installed all its own drivers , rightly or wrongly for the unit , check version #s from your W10 install and the G30 driver page ,