Nikon Coolpix 7900 Troubleshooting

The Nikon Coolpix 7900 camera uses an EN-EL5 Lithium Ion Battery Pack. Replace the battery with the same battery type. Installing Nikon Coolpix 7900 Battery

Remove the battery from the camera and insert it into the supplied charging dock.

Make sure the battery is charged and is inserted. Hold down the power button until a beep sounds and the display turns on.

If the camera is connected to a computer via USB cable or a TV via audio/video cable, disconnect in order to view the display.

If the LCD screen appears broken or does not turn on then the display may need to be replaced. Refer to our LCD disassembly guide in order to remove the LCD screen. Installing Nikon Coolpix 7900 LCD Screen

If the lens appears to be jammed then there may be debris stuck inside the lens assembly. Refer to our Lens Case disassembly guide in order to remove debris. Installing Nikon Coolpix 7900 Front Cover

If the zoom buttons appear to be broken or defective, they may need to be replaced.

If the lens is cracked or otherwise broken, the lens may need to be replaced.

Access the settings tab on the camera display and verify that the flash is turned on or off. Make sure to turn off the auto flash function for complete control over the flash. In addition, make sure the camera is not in video capture mode.

The flash bulb may be dead and consequently would need to be replaced.

If the charge capacitor is damaged. The bulb will not be able to hold a charge. The capacitor will need to be replaced in this case. Installing Nikon Coolpix 7900 Front Cover

Verify that the memory card is in the camera.

If the memory card is damaged, it will need to be replaced. This camera uses a generic SD card. Installing Nikon Coolpix 7900 Memory Card

If the memory card is full, transfer pictures to an external storage device.