My Nikon Coolpix S630 takes blurry pictures?

I noticed that when I zoom in with my camera lately, even just a little, the whole picture turns out really blurry. I reset it to the original factory settings, and it is still blurry. Is there some setting that can fix this?

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How to get rid of the blue line on my digital photos?

I have a Nikon Coolpix S550 and recently there has been a blue line on the screen of the camera which also appears on my pictures when I upload them. Is there something wrong with the lens? The screen? What is going on?

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