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LCD Monitor Quality and Pixel Policy
Your LCD monitor uses high-precision technology, manufactured according to high standards, to help
guarantee trouble-free performance. Nevertheless, the display might have cosmetic imperfections
that appear as small bright or dark spots. This is common to all LCD monitor displays used in
products supplied by all vendors and is not specific to your LCD monitor. These imperfections are
caused by one or more defective pixels or subpixels.
A pixel consists of one red, one green, and one blue subpixel. A defective whole pixel is always
turned on (a bright spot on a dark background), or it is always off (a dark spot on a bright
background). The first is the more visible of the two. A defective subpixel (dot defect) is less visible
than a defective whole pixel, and is small and only visible on a specific background.
To locate defective pixels, the monitor should be viewed under normal operating conditions and in
normal operating mode at a supported resolution and refresh rate, from a distance of approximately
50 cm (16 in). We expect that, over time, the industry will continue to improve its ability to produce
displays with fewer cosmetic imperfections, and we will adjust guidelines as improvements are made.
For more information about your LCD monitor and pixel policy, refer to the HP Web site at:
www.hp.com/support. To find pixel policy information on the HP Web site, type in "HP Pixel Policy" in
the search box and press Enter.
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