Funny enough most ICT/IT personell hate pc's too...

You could check the HCL (Hardware compatibility list) if your
mainboard and controllers are supported or simply goto Gigabyte and
check if they have update firmware.

I had a right weird problem with an ASUS P4P 800 once. It could
install and then came up with a either a grub error or a Kernel panic.
Turned out to be a bios problem, updated it and never had that problem
again.

But, glad to hear that it now boots, you could try for a dual boot
now or if you don't trust it, how about a USB disk.