Noise (bright spots, randomly-spaced bright pixels, fog, or lines) appear in photos:

•Choose lower ISO sensitivity or use high ISO noise reduction (0 105, 218).

•Shutter speed is slower than 1 s: use long exposure noise reduction (0 218).

•Turn Active D-Lighting off to avoid heightening the effects of noise (0 137).

AF-assist illuminator does not light:

•AF-assist lamp does not light if AF-Cis selected for autofocus mode (0 97) or if continuous- servo autofocus is selected when the camera is in AF-Amode. Choose AF-S. If an option other than auto-area AF is selected for AF-area mode, select center focus point (0 99, 101).

•The camera is currently in live view or a movie is being recorded.

•Off selected for Custom Setting a7 (Built-inAF-assist illuminator) (0 223).

•Illuminator has turned off automatically. Illuminator may become hot with continued use; wait for lamp to cool down.

Smudges appear in photographs: Clean front and rear lens elements. If problem persists, perform image sensor cleaning (0 301).

Sound is not recorded with movies: Microphone off is selected for Movie settings > Microphone.

The brightness of the image in the monitor differs from the exposure of photographs taken in live view:

•Center-weighted or spot metering is selected (0 109).

•The camera is in mode M.

•The subject is too bright or too dark.

•Active D-Lighting is in effect (0 137).

•The photograph is a long time-exposure (0 79).

•The flash is used (0 143).

Flicker or banding appears during live view or movie recording: Choose an option for Flicker reduction that matches the frequency of the local AC power supply (0 252).

Bright bands appear during live view or movie recording: A flashing sign, flash, or other light source with brief duration was used during live view or movie recording.

Menu item can not be selected: Some options are not available in all modes.

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