The VIXIA HF series camcorders cannot establish a connection with a computer unless they are being powered via the included AC power adapter CA-570.
- Connect the camcorder to AC power as shown below before plugging the USB cable into the camcorder.

- Power the camcorder on in Playback mode.
- After a few moments the device type selection screen will display on the LCD.
- Select [PC/PRINTER] to enable computer connection mode.