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The biggest downside to
LCD screens is the fact that they may have one or more dead pixels.
Fixing these white (TN + film) or black dots is absolutely
impossible--which is a serious problem, since they can really be
distracting. So before actually buying an LCD monitor, it's a good idea
to find out how comprehensive a warranty your dealer offers--in other
words, how many defective pixels do you need to have before you can
trade in your monitor for a new one?
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Some dealers will exchange your monitor even
if it only has one dead pixel, which is an ideal situation. Large
department stores, on the other hand, prefer to shift the blame to the
manufacturer. There's a very real risk that your display won't be
considered defective until it has eight dead pixels. In my humble
opinion, that's eight too many. Faced with this prospect, the best thing
to do is to start looking around for another dealer who offers you a
better warranty.
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