A pixel on your computer monitor or TV screen may be a very small thing. But if it is not acting in perfect concert with all the other pixels in the screen, the malfunction will stick out like a sore ...
I bought a new LCD TV today. When the screen is black, I can see one bright white pixel right in the centre. I ran a "dead pixel scanner" program which cycles through various colours, and the pixel ...
I recently got a good deal on a HP zr24w LCD monitor from MacMall. I think it has a single dead pixel (dark) in the upper left corner. Would you try to return or exchange the monitor for this reason?