I did face problem with macOS and having external low-DPI monitor: the Finder would act up sometimes: when you rename file the caret and edited text would be so

I did face problem with macOS and having external low-DPI monitor: the Finder would act up sometimes: when you rename file the caret and edited text would be someplace else that the filename shown in Finder and dragging and droping files would stop working. Firefox had similar problems with addressbar and controls in web pages too. All these things disappeared when I changed the external monitor for a HiDPI one.