I had the same problem once on my Wind U100. It happened when I used the hotkey (Fn+F4) to lower the brightness. It was already all the way down, then it started to automatically bounce up one level and back down repeatedly. I had to reboot to normalize the system.
I had the same problem once on my Wind U100. It happened when I used the hotkey (Fn+F4) to lower the brightness. It was already all the way down, then it started to automatically bounce up one level and back down repeatedly. I had to reboot to normalize the system.