New PC build wont POST, no display, no beeps, no usb

I just put together my new PC and it will not POST, no beeps, no display, and the usb ports do not work. My cdrom will open and close, all fans and lights work properly. Even the cpu fan which is connected directly to the mobo.

Specs:
CASE GIGABYTE| GZ-F5HEB
MB ASROCK|970 EXTREME3 970 AM3+

PSU RAIDMAX | RX-700AC 700W RT

CPU AMD|FX8350 AM3+ 4.0G
SSD 240G|INTEL SSDSC2CT240A3K5

MEM 8Gx2|GSKILL F3-1600C9Q-32GSR
MS WIN 7 HOME SP1 64BIT 1PK - OEM


Some noteable things during.installation:

Plugged the pcie 6+2 into my mobos 8pin 12v and booted up on accident.
My ram is 1600 which is by default an.overclock for my mobo


I have a lot of fiddling to do when i get home from work, wondering if anyone can give me a clue as to what this might be.. and where i can start.


As much info as possible would be greatly appreciated. Paypal donation to anyone who puts me on the right track.

Thanks much!
2 answers Last reply
More about build wont post display beeps
  1. Bios update needed (see the other post).
  2. The power supply is new also? On my first PSU for my current build after the 1st minutes the PSU just shutdown completly and had to be replaced.

    IF PSU is good just connect MB+CPU+RAM and see if it boots, no display/card/harddrive connected. And search for the jumper in motherboard manual to reset it first.
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