Casio QV-R61 - Manual (Page 202)

APPENDIX
202
Other
Symptom Possible Cause Action
Monitor screen is off.
Cannot transfer files over a
USB connection.
1) USB communication is in progress.
2) The monitor screen is turned off (in the REC
mode).
1) USB cable is not connected securely.
2) USB driver is not installed.
3) Camera is turned off.
1) After confirming that the computer is not
accessing camera memory, disconnect the USB
cable.
2) Press [DISP] to turn on the monitor screen.
1) Check all connections.
2) Install the USB driver on your computer (page
162).
3) Turn on the camera.