After you restart your Toughbook, your sound and audio controls should start working normally. If you try to adjust the screen brightness using your hotkeys, however, you'll probably find that your display stubbornly returns to its original settings after a brief moment. This is happening because your video driver is not compatible with your newly-installed hotkey controls. Now that we have the proper hotkey driver up and running, we'll need the proper video driver to go with it. If you had to download drivers for step 2, this might feel familiar:
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Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them. 2ff7e9595c
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