Neither the keyboard keys not the control panel fixes this issue. The only solution is to reboot, which is a pain. How do I fix this?
- Toshiba Portege z935
- Ubuntu 12.04
I had the same issue with a Portege R935 in 12.04, and I'm dealing with it with this (not so elegant) workaround:
Warning: these brightness values aren't between
Hope it helps.