Gigabyte GA-Z77X-UD5H WIFI

Hi all,

I got GA-Z77X-UD5H WIFI last week for my new computer.

My comp spec is:
GA-Z77X-UD5H WIFI
Intel 3570K
Corsair Vengeance 1600 8G X 2
Vertex 4 128G
Evga GTX 570

My problem is I cant get channel B working, so I cant do Dual Channel. Im sure my memory is working fine, cox its working on Channel A which is Slot 1 & 3. I did try plug in one by one, but still Channel A(Slot 1 &3) is working, and none of the B(Slot 2 & 4) working.

Just want to see is there any tricks to make it work or Im having a DOA board, so i need to do RMA.
3 answers Last reply
More about gigabyte z77x ud5h wifi
  1. I have Corsair Vengeance 1866 16G x 4, full loading channel A + B with no problem.
    Bios F7 ~
    Did you update bios?
  2. Im on F8c.....i did try F7 already still not working
  3. check for bent pin in the ram slots or dirt..the other place to check for a bent pin is under the cpu and the cpu itself. intel memory controller is built into the cpu now.
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