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Screen issue
The brightness and color do not look normal.
Go to PicturePicture Mode, Color, Brightness and
Sharpness.
Go to SystemEnergy Saving settings.
Reset the screen settings to the default settings.
Broken lines are displayed on the edges of the screen.
If Picture Size is set to Screen Fit, change the setting to 16:9.
Lines (red, green or blue) are displayed on the screen.
The display looks unstable and then freezes.
resolution.
The screen cannot be displayed in full screen.
Sound issue
There is no sound.
The volume is too low.