Tuesday, March 17, 2015

Can't control brightness on Sony Vaio laptop with Windows Vista

I just did a fresh Windows Vista install on my Sony Vaio VGN-AR71J and all the drivers are there, but the control for the brightness adjustment is gone.



When I tried to run the Vaio Power Management application, Windows shows an error, "SPM module has stopped working".



The computer is working ok, but I am unable to control the brightness.

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