What would cause the CCD image to start going skewy?

I have a Fuji FinePix S7000. The last time I used it, about a month ago, it was
fine.

When I went to use it yesterday, the CCD image was skewing as soon as I turned
it on. As far as I know, it hasn't been dropped or incurred any other sort of
damage (water, etc.).

Anyone know what would cause this? And can it be fixed?

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