No display on boot up GPU fan goes 100% then the computer shuts down. When I took out the Card a GTX 680 (ref/PNY) the system worked fine. Put in an old GPU and that worked fine so I think my GPU on my 680 is dead. What can I do to make sure the issue is not something else causing it?
System specs
CPU i73770k o.c.4.2Ghz
RAM Kingston 2400Mhz CL11 2 x 8 GB
WD 1TB and 2TB HDD, Samsung 500GB HDD and OCZ 60GB SSD
Corsair ATX 750 watts PSU
MS ASUS P8 Z77LX2
Case Coolermaster HAF XM 922
Corsair H100i on the CPU
Windows 7 64bit
System specs
CPU i73770k o.c.4.2Ghz
RAM Kingston 2400Mhz CL11 2 x 8 GB
WD 1TB and 2TB HDD, Samsung 500GB HDD and OCZ 60GB SSD
Corsair ATX 750 watts PSU
MS ASUS P8 Z77LX2
Case Coolermaster HAF XM 922
Corsair H100i on the CPU
Windows 7 64bit