Grey brand under the screen

I bought a HP w2448 hc monitor in May. Since then, I had seven replacements in total some new, some refurbished, whenever I get from that that he developed the same problem within days or a few weeks. I get a little gery of interrogation under the screen in different places (not to be confused with dead pixels because I know what they look like) brand is generally the size of a full stop with pen and paper and sometimes is slightly elongated like a comma. The last monitor, I had a day ago and is a new brand, as soon as I plugged it in (with a new HDMI lead) I noticed one of these brands. Even if Hp seems happy to keep their replacement becomes a little uncomfortable staying in deliveries, especially when they arise and to talk to these people in the aid centre in SA is rotted my brain slowly. Can someone if it please help or should I just ask for a refund of my hard earned £350. The reason why I love this monitor's resolution, the brilliant display effect and the massive hinge which allows you to extract the monitor up and down at different heights accourding to your seating preferences.

Thx a lot in anticipation

I updated the graphic card drivers whuich had no effect, what part of my pc could be causeing this problem if it is the pc and not only a series of bad luck.

Tags: HP Desktops

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