Quote:
Originally Posted by DaiNasty
I remember a problem with an oldish Dell where the pointer would wander around at random. It turned out to be the little rubber 'joystick' thingy in the middle of the keyboard that was sending random signals.
That one could only be fixed by a keyboard swap but it was most annoying when the mouse pointer would travel off at random to one corner of the screen.
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Actually it wasn't random signals but more a case of the handipoint being stressed to one side too much..
Getting back to the OP's problem it could be the built in touch-pad (this will be active even with a USB mouse plugged in)...try giving it a wipe with a cloth and if need be you might find you can disable it in the bios..