[ubuntu] Power and buttons issues

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http://ubuntuforums.org – Hi, need you`re help please! i`ve just upgraded 11.04 to 11.10 in my laptop. before upgrade , no buttons or power issues at all. but when i the upgrade finished, i discovered: 1. my button power doesn`t work, to shutdown (before upgrade worked perfectly) 2. brightness button doesn`t work (fn+f9 or fn+f8), so i used Screen in system setting 3. when i close the lid, it doesn`t suspend and the standby ombination button (fn+f3) doesn`t work either. Any idea? Thx b4. My laptop axioo zetta mlm, with clevo motherboard (maybe none of you ever heard this laptop) (Hardware)