When this occurs I'm also unable to use the ctrl-alt-F1 shortcut to switch out of the X server and into a console. This is happening on two of my machines. One a lenovo thinkpad with an Intel video chip, the other is a desktop with an nVidia chip.
When this occurs I'm also unable to use the ctrl-alt-F1 shortcut to switch out of the X server and into a console. This is happening on two of my machines. One a lenovo thinkpad with an Intel video chip, the other is a desktop with an nVidia chip.