Monitor - 20555SH249 # product: LCD color monitor

I have a HP LCD color monitor - product 20555SH249 product # P8740AA

HSTND 2171-A1 model No.  Recently in the upper left corner a box appeared saying Luminance

a contrast in red and the (blue) brightness another line. Please help me get rid of that it is very annoying.

Cannot click on it, as it is impossible to get my cursor on it. If I leave the computer for a while, it will go away but as soon as

I go back and type whatever it is, he's back.

Thank you

Pauline Fenner

Would be a good idea to remove the serial number that you have pointed out that it is a violation of the forum rules

Tags: HP Desktops

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