You will need to temporarily disable Driver Signature Enforcement. Go to Settings > Update & Security > Recovery > Advanced Startup . Restart your PC, navigate to Troubleshoot > Advanced options > Startup Settings , restart again, and press 7 or F7 to disable driver signature enforcement. Reinstall the driver. Tips for Maintaining Optimal Connection Stability
The Jieli (often stylized as JL) AC4100 family consists of 32-bit microcontrollers designed specifically for Bluetooth audio and data transmission.