I've picked up some Gigabyte R9 280x cards recently.
These cards seem to be locked and I've read about people flashing the bios to change the voltage.
I gave this a go with Winflash. The moment this was done I got a blue screen and the PC would no longer boot.
I forgot what I changed it to but I remember it was very close to the stock bios as this was just a test.
Currently, the Bios for the motherboard only boots when I pull out the graphics card.
Anyone got an idea on how to fix this?