On 03/03/2011 08:25 AM, Dotan Cohen wrote: > On Thu, Mar 3, 2011 at 12:37, Tom Sparks <tom_a_sparks at yahoo.com.au> wrote: >> are they optical or laser or ball? >> USB or PS/2 connector? >> > > Both mice are optical USB mice. Mine is a Microsoft mouse, hers is a > generic cheap mouse. > Try a different usb port. Also check dmesg.