Broken Canon PowerShot SD630 again

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Well, I got the camera for my birthday in November and it broke the first time in December.  Then it is broken again in August.  The camera now will not work at all.  I believe the problem is with a switch that indicates if the battery door is closed.  It broke when I opened the battery door.  Maybe the third time is the charm (or I should cut my loses and throw away this POS).