Windows Update - Panasonic CF-20 Series Operating Instructions And Reference Manual

6. Change settings of [On battery] and [Plugged in] to [Enabled].
7. Click [OK] and exit the "Advanced settings" screen.
About the Ambient Light Sensor
The ambient light sensor is used to adjust the display screen brightness automatically.
To configure the automatic adjustment function, proceed as follows.
1. Click (Start) -
Alternatively, click
2. Add the check mark to [Change brightness automatically when lighting changes] under "Brightness and color".

Windows Update

You can update to the latest patches and service packs for Windows with the following menus.
1. Click (Start) -
Alternatively, click
2. Click [Check for updates].
Do not apply "Driver Updates" even if a message to update a driver appears. If a driver update is required, contact your technical support office.
(Settings) - [System] - [Display].
(Settings) - [System] - [Display] in the tablet mode.
(Settings) - [Update & Security] - [Windows Update].
(Settings) - [Update & Security] - [Windows Update] in the tablet mode.