Nikon Coolpix 7820 is a 16 megapixel battery operated digital camera.

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camera wont turn on after not using it for a while.

camera wont turn on

corroded batteries

cleaned it out and neutralized it

put in new batteries

but still wont turn on

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You may have to dis-assemble the camera a bit to check that the corrosion has not gone further than the battery terminals. It may have affected the cable/wiring connections on the back of the terminals themselves.

Here is a link to the Ifixit guides for your camera. The guides will help in the dis-assembly process.

Nikon Coolpix L820 Repair

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