First, thanks again. I'll check out the revert process. Don't know about mirroring the system, but will check that too. Will also back up all files (hundreds of doc folders, thousands of images...

Thanks very much for your reply, and thank you for making it simple and straightforward. My "techno-savvy" is about caveman-Stone Age level. I'll delve into it, and if it seems daunting or gives me...

Is anyone else experiencing very slow loading of photos/images, especially higher resolution? Even simple GIFs, which previously required no loading time, now take two to several seconds to load. ...