i have encountered a problem with my mobo. on post boot it comes up with error d6 on the led screen on the motherboard and beeps 5 times. computer has worked fine up until this. i am running onboard graphics and the cpu is a I3 3225 ivybridge have done all the usual checks like checking the pins on the cpu clearing cmos and checking the ram. still black screen doesnt boot all fans are starting but cant even get into bios.