Nikon COOLPIX P510 Reference Manual page 118

Troubleshooting
Problem _I Cause/Solution
Flashis set to @ (off).
Flashdoes not fire.
The digital zoom is
not available.
Image size not
available.
No sound when
shutter is released.
AF assist
illuminator does
not light,
Pictures appear
smeared.
Colors are
unnatural,
Ring shaped or
rainbow colored
bands are seen on
the screen or the
shot image.
The image taken
becomes grainy.
A shooting mode where flash cannot fire is selected,
Another function that is set now is restricting the flash.
Off is selected for Digital zoom in the setup menu,
When Scene auto selector, Portrait, Night portrait, Easy
panorama in Panorama, Pet portrait or 3D photography
is selected in scene mode, the digital zoom cannot be used,
Other functions that restrict the use of digital zoom are set,
Another function that is set now is restricting Image size.
Off is selected for Shutter sound under Sound settings in
the setup menu,
Sports, Museum or Pet portrait is selected in scene mode.
Other functions that restrict the use of the shutter sound are
set,
Do not block the speaker.
Off is selected for AF assist in the setup menu. Even when Auto
is set, AF assist illuminator may not light depending on the focus
area position or scene mode.
Lens is dirty, Clean lens,
White balance does not match light source.
When the subject is backlit or when shooting with an extremely
bright light source in the display, such as in sunlight, ring shaped
or rainbow colored bands may appear on the image.
Change the position of the light source or remove it from the
display, and try shooting again,
As the sub]oct is dark, shutter speed is too slow or ISO sensitivity
is too high.
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