re: z77X-UD4h wont support 670 gtx in pcie v3 x16 slot. only working in x8 slot.[SOLVED]
if you plug your monitor to the on-board video port do you see anything? if so, then re-boot and go in to your bios and I select PEG as your video device and not Onboard or PCI (whatever the default it)
my quick guess is it's referencing the onboard and windows isn't enabling the GTX670's output.
funny how it doesn't do the same for the 8x port. but that's where I would start.
OS = Win7 64 Bit
CPU = i7-920 @ 3.5Ghz 168x21 cooled ba a Corsair H100
Mem = 6GB 2000Mhz Kingston HyperX running at 2044Mhz @ 9-10-9-27-1T
MB = Gigabyte GA-X58A-UD5 v1.0 with F6 Bios - Dead Board
MB = EVGA X58 Classified3
GPU = 2x EVGA 580GTX 1.5GB in SLI
HD = 3x Intel 40GB X25-V in Raid 0 (580MB Read/140MB Write)
Storage = 500 GB WD
PSU = Corwair TX950W
Case = Cooler Master HAF-X 945
HTPC / Home Server
OS = Win7 64Bit running XBMC HTPC Front end with Windows Server 2011 Virtual Machine with 8GB ram assigned for homer server with exchange
CPU = AMD 1090T
Mem = 16GB 1600Mhz Kingston RED Limited Edition running at 1600Mhz
MB = Gigabyte 790FXTA-UD5
GPU- EVGA GT210
HD = too many to count, but about 5TB of storage all together including backup
PSU = Corsair TX750
Case = Too embarrassed to mention.
Benching MB's... Asus P5Q and Gigabyte 890FXA-UD7... too many CPU's and RAM sticks to list. :)