Cannot Access NAS from Windows 7 anymore

I haven't tried that yet as I was hoping there was another way around this. I haven't changed any settings on the server, plus, as I mentioned in my first post, I have 2 machines and can't access either of htem. Seems unlikely that something changed without my knowledge on both machines simultaneously. Oh and of course there's the laziness factor - both devices are up on a high shelf in the basement...