Y450 a Dolby home theater key does not work

Hello

I have a lenovo y450. I just had windows 7 and installed upgrading immediately. Windows 7 is great! I have just this question. The button sensitive onekey dolby home theater touch on top doesn't seem to work. all the other buttons (volume, mute, theater, onekey from top to bottom) work very well. It is just only one button. But the program dolby control center is installed. I can only access it via the start menu. can someone help me solve this problem? Thank you

and one more thing, uninstall lenovo power management re - install it but make sure of course marked "utility".

Tags: Lenovo Notebooks

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