Nikon COOLPIX 7900 Quick Start Manual page 24

When transfer is complete, the pictures will be displayed in the
PictureProject window.
During Transfer
While transfer is in progress, do not:
• Disconnect the USB cable
• Turn the camera off
• Remove the battery or the memory card
• Disconnect the AC adapter kit
Failure to observe this precaution could interfere with normal
functioning of both the camera and the computer.
24
Windows
Macintosh