MSI 970a G43 RAM Issue

WVMountie07

Reputable
Sep 18, 2015
217
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I have recently attempted to install 2 more sticks of idental RAM. HyperX 1866 DDR3. I already had two in my fully functional system. (Running in slots 2/4). The system will not post with either stick in slot 3. Slot one will post but system properties show all 12GB, but only 8 usable (I assume the ones that are in 2/4). I have verified I have the latest bios version. I have also attempted to reset CMOS. Any tips would be greatly appreciated!