ok...so I installed drivers for an ATT sierra aircard, and upon a restart all of a sudden my keyboard and trackpad stopped working. I found a solution in going under device manager and updating the drivers under the apple keyboard tab. It solved the problem, however not completely---the trackpad doesn't scroll or allow me to right mouse click. Also, the keyboard functions as far as typing is concerned, however it wont allow me to adjust the volume or brightness or either the screen or keyboard. I'm not sure what my other options are...if anyone could help me out I would GREATLY appreciate it.
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