Hi MikeMikeRC,
Thanks for reaching out to Microsoft Community and posting your inquiry. We appreciate the effort in performing initial troubleshooting steps.
We suggest the methods below to troubleshoot the issue:
- Run Surface Diagnostic Toolkit and check Windows Update.
- Check the device's temperature.
- Check the task manager device performance to verify if the system is lagging/slowly performing.
- Run the System File Check in Windows 10.
- Enable the Enhance pointer precision. Go to search bar > Search for Control Panel > click on Hardware and Sound, then click onMouse (under **Devices and Printers). >**In **Mouse Properties,**go to pointer options > then enable the Enhance pointer precision.
- Install the drivers package. Check the specific OS build of your Windows Settings> System> About. Download the driver and firmware for Surface, choose Surface Pro 6 and click download on the next page. Please choose the .msi file that matches your current OS Build and click Next. After the download, runand installthe .msi then Restart the Surface Device.
Keep us updated by replying on this thread.