Pixel has dead pixel

[18t]

Not sure how long it has been there, but I just noticed a very tiny black pixel over the weekend. Of course, now that I have seen it, I can't stop looking at it. I'm still within the time period of a new replacement, but something you may want to check for. It is very small, and I only noticed it while switching desktop screens and noticed it didn't move and there was nothing on top of the screen.