Press the following keys:
* ctrl+alt+f1 (to get a bash session * Fn+f9 (to lower brightness) * ctrl+alt+f7 (to return to your x-session)
Press the following keys:
* ctrl+alt+f1 (to get a bash session
* Fn+f9 (to lower brightness)
* ctrl+alt+f7 (to return to your x-session)