Remember it's just a lcd-laptop display. No good for color critical work imo. So, I skip the controls (-m) and use the following: dispcal -m -qm -yl -t6500 -g2.2 -k0 Works great. Best Martin Weberg 2007/10/20, Marco Presi <marco@xxxxxxxxxxxxxx>: > > Hi, > > I'd like to profile a laptop display. As such it doesn't have all the > controls typical of an external monitor, so I cannot control Brightness, > Contrast, RGB values (gain and offset), and so on. > > Thus I cannot perform the calibration step as described in the > documentation tutorial. > > I run GNU/Linux and an Eye-One Display 2. > > I tried to use the backlit illumination (even if the precision was low.. > but better than anything) to control the brightness and to modify the RGB > values by using xgamma after launching dispcal. However, it seems that > xgamma is not effective at all while dispcal is running. > > How might I proceed to perform this step? > > Regards > > Marco > > >