Hi,
I have a similar problem with my 8520, with no obvious cause the trackpad has just stopped working. Not the click however, mine has lost all navigation functions (up down left right) the problem was intermittent at first but is now constant. I had thought it was some kind of memory problem but can't get to any kind of factory reset option. Any Ideas, anyone. battery removal, sortware update and removal of all aps have been tried and haven't helped. Do I have any options left?
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