ColinTaylor
Part of the Furniture
Glad you found the problem. Murphy's law means that whenever you change your network something else will change at the same time just to confuse you.
Without wishing to dwell on it, this was a reason I asked you this question earlier: "And this is the same PC that you used to do the test when connected directly into the router on the 1st floor".
Without wishing to dwell on it, this was a reason I asked you this question earlier: "And this is the same PC that you used to do the test when connected directly into the router on the 1st floor".