Originally Posted by miki100
I don't think that it is because of external display. I have only one CRT monitor (Siemens Nixdorf MCM 171V).
Ok, maybe this only happens with "normal" monitors and does not happen with only laptop lcd used. Perhaps some refresh rate related thing? Vsync? *brainstorm*
For me it is like:
Only laptop lcd: ok
Laptop lcd+external projector: flickering