I have worked on several Toshiba laptops recently that seem to share a common problem: The function keys that lower and increase the screen brightness (usually Fn+F6 and Fn+F7) have stopped responding.

If the brightness controls on your Toshiba laptop are non-responsive, the procedure described below will most likely fix it:

1 – Shut down the laptop and unplug all cables and external adapters, including the AC power adapter.  [Read more…]