This bug affects me too on Ubuntu 12.04.3 and even after updates it persists! I have being using Linux Mint 13 (which based on Ubuntu 12.4) and never had any issues like that and my hardware is not defective!
This bug affects me too on Ubuntu 12.04.3 and even after updates it persists! I have being using Linux Mint 13 (which based on Ubuntu 12.4) and never had any issues like that and my hardware is not defective!