Screen
The screen is too dark.
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The [Automatically adjust] setting reduced the brightness according to the ambient brightness. Manually adjust the screen brightness.
1.
Flick the Start screen to the left, and then in the App list, tap [Settings] → [brightness].
2.
Turn off the [Automatically adjust] switch.
3.
Tap [Level] and select the desired brightness level.
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The [Minimum limit brightness] setting was turned on. Turn the setting off.
1.
Flick the Start screen to the left, and then in the App list, tap [Settings] → [other settings].
2.
Turn off the [Minimum limit brightness] switch.
There are red, green, or blue dots on the screen, or there is unevenness in screen colors or brightness.
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The following are not malfunctions.
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Although advanced high-precision technologies are used in the production of color LCD screens, a very small number of the screen pixels may be dark or remain constantly lit.
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Due to the natural characteristics of LCD screens, you may notice unevenness in colors and brightness depending on your angle of view. Hues may also vary by product.