It does rather leave you spitting feathers, doesn't it
Can you go into the BIOS (probably hit delete key after first switch on) and check all disks recognised and look at temperature readings for processor
Check that extract fans at back (one case and one at power supply unit) are blowing out air
Any new software been installed lately?
Do you actually have a Windows disc as opposed to some sort of recovery thingy supplied by Carrera?