en-US

# The Software enumerates a USB3 Vision camera, but fails to connect it.

## Question

What should I do if the Software enumerates a USB3 Vision camera, but fails to connect it?

## Possible Causes

- Cause 1: USB3 driver exception.

- Cause 2: The USB3 Vision camera has been connected to another program.

## Solution

- For Cause 1: Re-plug the USB3 Vision camera, or reinstall the USB3 driver.

- For Cause 2: Disconnect the camera from other programs and then connect it to the Software.