I have the same problem. I have the NX 7.0 installed.
I know that it isn't problem of nx configuration because I had the same problem with NX 6.0.
I've updated my graphic driver but it continues.
I have the same problem. I have the NX 7.0 installed.
I know that it isn't problem of nx configuration because I had the same problem with NX 6.0.
I've updated my graphic driver but it continues.