[ubuntu] USB Mouse Stops Working

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http://ubuntuforums.org – Hello, My USB keyboard works fine throughout the session, but my USB mouse (laser) stops working completely. I have tried the Quote: acpi=force irqpoll seems to work... to add it to all of your kernel entry, open /boot/grub/menu.lst scroll until you find defoptions= and append acpi=force irqpoll save, quit and the run sudo update-grub as well as reinstalled the entire operating system twice, my question is, what could be causing my mouse to stop working? I've been using linux for ten years and have never had this problem. Could it be my BIOS? Thanks (Hardware)