bluetooth mouse issues

Hi, I have a Surface 3 (not Pro) with a Type Cover and Bluetooth mouse connected, and while working with it sitting on a stable surface it periodically does the following. 1. The "Autorotate On" message appears at the top of the screen just like I had turned the screen sideways. 2. The message...

Contacted support many times, they are useless gibbons. I have had my surface pro 4 for about 8 months, it was fine at first, but the last 6 months I constantly get screen freezes. These last between 3 seconds-30 seconds and is extremely frustrating. I've done 2 clean installs of windows...