To connect Motion+ with a PC properly, please refer to this article (How to connect Soundcore Motion+ to a Macbook or Windows laptop) for more details. 

If there is no sound after connecting your Motion+ with a PC via Bluetooth, please try these steps:

1. Fully charge the speaker.

2. Restart Motion+ by holding the Volume+ and Bluetooth buttons at the same time for 5-10s until it restarts.

3. Power off your PC and Motion+, and then power them on again.

4. Try upgrading the Bluetooth driver of your PC to its latest version.

If you still have any concerns or issues, please contact Soundcore customer service and make sure to mention that you've tried the listed steps above for a quick and accurate solution.