How to fix my Nikon coolpix L120?

Hey y'all, I have a Nikon coolpix L120 camera and I notice that when I made videos, the video has a 10-20 second delay. It's frustrating because I do vlogging and I can't have my videos in such poor quality. I called Nikon and they told me to reset the camera which I did and nothing changed. Is there anything I can do to fix this?

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My nikon coolpix lens wont close?

At first when i would turn my nikon coolpix on the screen would say lens error and then the lens wouldn't close, now it won't turn on.

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How to fix grainy/blurry pictures on my nikon coolpix?

I just got a nikon coolpix camera, and the pictures are kind of blurry, and they have little dots on them, so they look grainy. How do you fix this?

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