This message was posted on behalf of Intel Corporation
Thank you for your contacting Intel® RealSense™ support.
Some of the troubleshooting we recommend for this issue is to reinstall the camera driver, the instructions to reinstall the driver can be found on the following link:
There are many workarounds posted in the RealSense Community but they don't work for all users.
Please, let us know if further assistance is required or if we can close this case.
I hope you find this information useful.
Intel Customer Support