The screen is dark.

Make sure the screen brightness of your tablet is not set at the lowest level [Details].

Make sure the remaining battery level is sufficient.

Be careful not to cover the ambient light sensor.

The screen may seem dark if used outdoors on a clear day.

If you have the automatic brightness setting enabled, the brightness of the screen is adjusted automatically according to the surrounding brightness.

• Tap [ Apps & Widgets] - [ Settings] - [Display] - [Brightness] - [Automatic brightness] to remove the check mark and disable the automatic brightness setting.