Why does my mouse stop working when I plug in the Merlyn remote?

Q: Why does my mouse stop working when I plug in the Merlyn remote?

A: There is a setting that disables the touchpad when a USB mouse is connected to the computer. 

Solution:

• Open the Touchpad settings in your Bluetooth & Devices settings menu. 
• Toggle on the option to leave on the trackpad when a USB mouse is connected.