My HP DV7-1232nr shuts down unexpectedly. I had the battery replaced in January at Staples and they also removed viruses and gave it a tune-up. (I'm not so sure that the technician had much confidence in what he was doing and it took a week before I got it back.) When I'm playing games (e.g. simple games downloaded from Big Fish) the computer goes off and I have to restart it. Never had this problem before. Any help would be appreciated. Thanks.
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