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Other startup problems
• Disconnect and remove all peripheral devices.
Shutting down
The unit does not turn off.
• It may take one or two minutes for the unit to turn off. This is not a
malfunction.
• Press and hold
or press and hold
for at least 10 seconds to force the unit to restart, and then try
again.
• Disconnect and remove all peripheral devices.
Screen
The screen is too dark.
• The [Automatically adjust display brightness] 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 All apps list,
tap [Settings] [System] [Display].
2. Tap the [Automatically adjust display brightness] switch to
turn it off.
3. Adjust the [Brightness level] slider.
• The [Minimum limit brightness] setting of customized silent
mode was turned on. Turn the setting off.
1. Flick the Start screen to the left, and then in the All apps list,
tap [Settings] [Extras] [Customized silent mode].
2. Tap the [Customized silent mode] switch to turn it off, then
tap the [Minimum limit brightness] checkbox to turn it off.
3. Tap the [Customized silent mode] switch to turn it on.
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(power button) for at least 10 seconds,
(power button) and [-] of the Volume button
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