I have at home 2 computers and 2 monitor screens. I'd like the newer computer to be connected to the newer screen, and the older computer to the older one. However, the older screen does not seem to recognize the older computer. If I connect the older computer to the newer screen, it works fine. If I connect the newer computer to the older screen, it also works fine. The same cable is used in every case.
What else can I check? What could be the problem?