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  1. #1
    ROG Junior Member Array
    Join Date
    Jun 2015
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    Unhappy PG27UQ Problem (grey bars/banding)

    I was so excited when I received this monitor today but I immediately found a problem of my monitor. (all settings are default, 98Hz, 10bit, 1080Ti, DP port)

    No matter HDR is turned on or off, there're some grey bars (banding?) when pure white image displayed.
    It's annoying especially pure white scenarios like google search pages.
    Click image for larger version. 

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    (photo taken from iphone, running DisplayHDR Test)

    I found the only way to remove them is to turn Variable Backlight off under SDR mode.

    I'm completely satisfied it's HDR performance and I understand this monitor uses local dimming zones/arrays.
    But I don't know these obvious grey bars:
    1. Is just the limitation of local dimming, or
    2. The monitor I received has some problems

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