AMD Link is a stunning and proprietary app from AMD brand that’s specially designed to enable users to monitor the performance of the PC, system info, stream, and share gameplay scenes directly from their PC. It’s also capable to share info with AMD’s social/gaming feeds on smartphones or tablets. Now, if you’re using AMD Link and somehow the Controllers are not working then you can follow this guide to fix this issue.
AMD Link Controllers not Working from AMDHelp
AMD Link connects your smartphone or tablet device to your Windows computer and its AMD-powered graphics card that the PC uses. This app gives you access to several additional features like voice controls, game capture, and game streaming. You can easily grab this app on your handset from Google Play Store. Meanwhile, some users are experiencing issues with the controllers not working.

Fix: AMD Link Controllers Not Working Issue
There are plenty of reports coming out that the controllers not working and to be precise, it’s not a new issue whatsoever. If we look at the AMD Community forum, affected users are reporting that even after updating the BIOS and motherboard drivers, something is missing in the Device Manager with the AMD Link Controller Emulation item. It has a yellow exclamation mark.
Additionally, some users are also getting a dialog box that says “Windows cannot verify the digital signature for the drivers required for this device. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source. (Code 52)” Luckily there is a workaround mentioned below that should help you out.