[ubuntu] bluetooth mouse problems

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http://ubuntuforums.org – I have a microsoft 5000 bluetooth mouse. After some time, i got it to pair with my laptop (Ubuntu 12.04 64). BUT the pointer doesn't move and the buttons work only marginally. The mouse is a laser mouse so it should work well on any surface- this one isn't working at all.. Is there something I'm missing? Has anyone else had this problem? did I really get the one bad mouse of the bunch?? (Hardware)