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How to turn off your monitor
- Ubuntu : Available with 3.10.96-161 (Aug 29, 2016) or a higher version
- Android : Available with Android 4.4.2 v3.1 (Jul 01, 2016) or higher version including Android 5.1.1
How to activate monitor off on Ubuntu
Set monitor on/off option using boot.ini
# Monitor output # Controls if HDMI PHY should output anything to the monitor setenv monitor_onoff "true" # true or false # Boot Arguments setenv bootargs ${bootargs} monitor_onoff=${monitor_onoff}
Set standby time to enter monitor off using power management setting menu
[system] -> [preference] -> [look and feel] -> [Screensaver] [Power Management] tab in the bottom area of this menu
For example, if you set screensaver time to 1 minute and display off time to 5 minutes in Power Management tab,
- in 1 minute, display will be turned off and screensaver is activating but, monitor is still alive.
- in 5 minutes, monitor will be turned off.
How to activate monitor off on Android
Set monitor on/off option using boot.ini
The env description, “suspend_hdmiphy” is included in boot.ini as following.
You should set suspend_hdmiphy to 'true' or '1' to activate monitor off option.
# Monitor on/off option setenv suspend_hdmiphy "true" # set "true" of "1" to activate monitor off option # Boot Arguments setenv bootargs ${bootargs} syspend_hdmiphy=${suspend_hdmiphy}
Set standby time to enter monitor off
You can set the standby time to enter sleep and monitor off using display setting menu. For example, if you set the sleep time to 5 minutes, your monitor will be turned off in 5 minutes.
[Menu] -> [Settings] -> [Device] - [Display] -> [Sleep] Set sleep time
And then, please turn off Daydream option.