Troubleshooting

If the camera fails to function as expected, check the list of common problems below before consulting your retailer or Nikon-authorized service representative.

Battery/Display

The camera is on but does not respond: Wait for recording to end. If the problem persists, turn the camera off. If the camera does not turn off, remove and reinsert the battery or, if you are using an AC adapter, disconnect and reconnect the AC adapter. Note that although any data currently being recorded will be lost, data that have already been recorded will not be affected by removing or disconnecting the power source.

Viewfinder is out of focus: Adjust viewfinder focus (0 33). If this does not correct the problem, select single-servo autofocus (AF-S; 0 78), single- point AF (c; 0 82), and the center focus point, and then frame a high- contrast subject in the center focus point and press the shutter-release button halfway to focus the camera. With the camera in focus, use the diopter adjustment control to bring the subject into clear focus in the viewfinder. If necessary, viewfinder focus can be further adjusted using optional corrective lenses (0 331).

Viewfinder is dark: Insert a fully-charged battery (0 27, 28).

Displays turn off without warning: Choose longer delays for Custom Setting c2 (Auto off timers; 0 253).

Information display does not appear in monitor: Shutter-release button is pressed halfway or eye sensor has turned display off. If information display does not appear when you remove your finger from shutter- release button or uncover eye sensor, confirm that On is selected for Auto info display (0 278) and that battery is charged (0 27).

Viewfinder display is unresponsive and dim: The response times and brightness of this display vary with temperature.

350Technical Notes