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Originally Posted by cwosigns
I exchanged mine; new one flickers as well. Hope it can be fixed via an update.
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there is nothing wrong with your nook color.
It's the nature of the LED technology. If you look in the beginning of this thread LoganK provides an accurate explanation. Its post #2 in this thread
the flicker you see should be rather faint and under very low brightness settings with very dark background. The only time I ever see a faint flicker is when I have either very low lighting or pitch dark room and when I hit the main menu arrow that shades the screen.
In it's simpliest terms it's the nature of how LED refreshes, similiar to the old CRT monitor's. Do you remember when the brightness was on too low or you had the lights off you could see a faint flicker? Same idea here.
The reason for the use of LED besides better power consumption is LED's tend to render the best and most accurate color reproduction and deeper blacks.
I find it to a non issue and don't even see any under normal reading conditions and like I said before even in low light and dark setting I only see it when the menu arrow is pressed. and even then its faint. I have my brightness at roughly 20% to maybe 30%
There is a reason you don't see this brought up in any of the professional reviews, simply because it's the nature of the technology.
but if are overly sensitive to it, try raising the brightness up a notch or two, that should help.