You don't provide enough info here. How long have you had it? What were you doing when the problem started? Have you recently loaded any software? Have you recently change or added any hardware? Have you tried a USB mouse? Do you spend a lot of time on line visiting file share sites (could it be a virus)? Has it loaded Windows Internet Explorer 10.0 through automatic updates? This last one could truly be an issue. I have seen many horror stories about what this has done to people's systems.
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