[ubuntu] Logitech M555b bluetooth mouse not working

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http://ubuntuforums.org – I have a Logitech M555b bluetooth mouse that works finde with my Acer Aspire Timeline 1810TZ in Win Vista and 7 but I can't make it work in Ubuntu 9.10. The standard bluetooth configuration tool can find it but when I try to configure it I just get the message that the configuration failed. The same happens in Blueman. Please help me out here! I really need it to work and are grateful for all help I can get. (Hardware)