I need this because I want to turn my laptop on at home and control it remotely outside, but I don't want the screen to be seen to others. I found this feature in ubuntu, or in some laptop with custom Fn key (which sets brightness to almost zero). I tried some softwares, but it doesn't affect taskbar. Any solutions?
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You don't say what you\'re trying to access it via. Look for 'curtain mode' which just leaves the screen entirely black.– TetsujinCommented Jun 5, 2022 at 14:48
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1How about just using RDP and keep the laptop closed (so no lights go on)? Turning the screen black with remote tools is for me just a suspicious behavior, because it it used by scammers.– swbblCommented Jun 5, 2022 at 14:52
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1why don't just use remote desktop? No one will ever see your screen regardless of the brightness– phuclvCommented Jun 5, 2022 at 16:53
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2 Answers
The following command will set the screen brightness :
powershell (Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,<Brightness Level>)
For example, to set it to 0 and 100 :
powershell (Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,0)
powershell (Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,100)
However, I'm not sure that this is a good solution to your problem.
(Note: I can't test the above, since I don't have a laptop.)
NirCmd may work for you. It is a useful command line utility.
NirCmd is a small command-line utility that allows you to do some useful tasks without displaying any user interface. By running NirCmd with simple command-line option, you can write and delete values and keys in the Registry, write values into INI file, dial to your internet account or connect to a VPN network, restart windows or shut down the computer, create shortcut to a file, change the created/modified date of a file, change your display settings, turn off your monitor, open the door of your CD-ROM drive, and more..
It has a command for screen brightness:
