Select that option, save your changes, then exit the BIOS utility and reboot the computer.ħ – After Windows has finished loading, try adjusting the screen brightness again. Note: The key to press in order to enter Setup might be different on your particular model.Ħ – Once the Bios Settings screen has loaded, search the sub-menus for an option to reset the BIOS settings back to the factory defaults. If the brightness controls on your Toshiba laptop are non-responsive, the procedure described below will most likely fix it:ġ – Shut down the laptop and unplug all cables and external adapters, including the AC power adapter.Ģ – Shut the lid, turn the laptop over onto its back, then remove the battery.ģ – Turn the laptop back over, then press and hold the power button for a full 15 seconds.Ĥ – Turn the laptop over again, then reconnect the battery and AC power adapter, in that order.ĥ – Press and release the power button, then begin tapping the F2 key until the Setup utility loads.
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.
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