I was running Ubuntu 11-point-something ok but shut the computer off while it was updating and trashed something. I downloaded the image file for 12.10 and installed it. When I hook up an HP 20" ...
I'm running 12.10 dual booted with windows 7 (nvidia optimus). I have no idea what might be wrong because: the monitor works on windows it worked on ubuntu for over a year and even now the splash ...
Since I have upgraded (no clean install) from Ubuntu 12.04 to 12.10, particular graphical aspects are slow: Scrolling is really slow: for example in a terminal window, gedit or a browser Compiz ...
I am unable to get any output to my external monitor on 12.10. The monitor is recognized and shows the native res (1920x1080, correct) but enabling has no effect. Graphics chipset is Intel Ironlake ...