In Settings - if your physical displays are side by side, make sure you two settings displays windows are side by side exactly not offset.
Likewise, if your physical displays are top & bottom, make sure your two settings display windows are vertical exactly not offset.
In Settings - if your physical displays are side by side, make sure you two settings displays windows are side by side exactly not offset.
Likewise, if your physical displays are top & bottom, make sure your two settings display windows are vertical exactly not offset.