How to root Nvidia Shield TV
This is a Windows guide using adb fastboot to obtain root on Oreo on you Nvidia shield tv 16gb.
Installing the development image from nvidia home page
Links: https://developer.nvidia.com/gameworksdownload
This is a developer only version of the Software Upgrade 7.1.0 OS image for the NVIDIA SHIELD ANDROID TV (16GB version). This version is not for general users and consumers and may allow unauthorized access to user data. Only install this image if you are a developer and have fully read and understood the risks of using this OS image with your device.
Windows users: Download the ZIP file, unzip and follow the instructions noted in the right column just below the download links. The Windows USB drivers for “fastboot” and “adb” are available separately to download.
Linux users: Download the ZIP file, unzip and follow the instructions noted in the right column just below the download links.
You must be a registered developer to download this developer image.