How do I turn off side swapping in synergy? I don't want switch screen when my mouse moves to the sides.
One can't turn the feature off, but one can add a delay before it happens in the advanced settings tab on the server setup dialogue.
It's in milliseconds so set it to something high like 60000, and it'll need the cursor on the edge for a whole minute before attempting to switch.
If you move your extra displays to the far corners, you essentially remove all paths for the mouse to take, making it seem like mouse switching is disabled.
For example, here's my configuration: .