Hot answers tagged settings
Most modern sound adapters have output monitoring channels. Unity/Gnome default sound settings tool (part of unity-/gnome-control-center) does not list them on input tab. Install PulseAudio volume control tool (part of upstream project) sudo apt-get install pavucontrol Run it and go to Input Devices tab. Look down to the right corner, Show: drop list, ...
This wiki page covers how to create a dummy audio input using PulseAudio, which can then be recording using Audacity. It uses the PulseAudio Volume Controller (which is available in the default repos, sudo apt-get install pavucontrol), and creates an application stream which Audacity will read as input. It is much better explained on the above wiki page.
Personally, I use terminal commands xgamma for contrast and occasionally xrandr for brightness (though mostly I use the native brightness setting - more on that later ). To change contrast with xgamma , do xgamma -gamma $1 Where $1 is a decimal value. It can be 1.5 or .5 , but the values above those values can be harsh on the eyes, so play with the ...
Most likely not, however it all depends on how you go about upgrading. You can either use the updater (Which will most likely save every setting you have made then add all the new features). Or completely re-install Ubuntu from a LiveCD and therefor wiping everything.
Only top voted, non community-wiki answers of a minimum length are eligible