I have my asrock 970 issue with single channel mode, i have 2 stick of panram lightsword, plug in correctly, it works flawlesly, then 1 day my window only be able to use 4gb , although it know i have 8gb , when i check in bios, it said im runing in single channel mode , tried fláh newest bios , reset, plug in and out,
p/s I once have this issue and it fix it self , dont know the reason