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Securely Prevent The Display From Turning Off

One of the good things about Windows 10, aside from an array of perks at your fingertips, Is It's multiple power management settings that allow you to control how your computer behaves, such as turning off the display after a certain period of Inactivity. If however, you're sharing your PC and do not want users messing around with the display settings, In this tutorial, I will show you how to securely prevent anyone from turning It off.

If (for example) you own a laptop, by default, you can set the screen to turn off anywhere between one minute to every 5 hours of Inactivity- when It's running on both power and battery. Whilst this serves It's purpose well In terms of saving battery power, there's no real advantage to turn off the display when your lappy Is plugged In.

If you're anything like myself, whereby every computer Is powered up 24/7, and you'd like to keep an eye on what's going on with certain tasks such as CPU, memory consumption and network monitoring and/or activity, then keeping the display active at all times Is paramount.

As such, I will demonstrate how to securely prevent anyone from turning off the display, by using the good old Group Policy Editor. Do note, that the GPE Is only available In Windows 10 Pro, Enterprise and Education editions. So without further ado, let's get this tutorial started.

Step One:

To access the Group Policy Editor, open the Run menu, enter gpedit.msc and hit OK as shown below.

Step Two:

The Group Policy Editor will now open, so navigate to the following directory.
Computer Configuration > Administrative Templates > System > Power Management > Video and Display Settings

Make sure Video and Display Settings Is selected, and on the right pane, double-click on the entry that applies to your computing environment. In my case, I've chosen Turn off the display (plugged In). If you select both, apply the settings In the next step separately.

Step Three:

Next, select the Enabled radio button and In the Turn Off the Display (seconds) Input field, enter 4294967295. This Is the highest value that It will accept, which Is equal to around 136 calendar years! Excellent to keep the setting permanently Intact. Then hit OK to finalize the process.

Step Four:

Now let's make sure the change has taken effect. Open the Windows Settings, and click on System.

Step Five:

To the left of the window, I've clicked on Power & Sleep and as you can see on the right pane, the Screen setting to turn off the display Is grayed out. Perfect! Let's click on Additional power settings to delve Into the power plan settings.

Step Six:

Select your power plan (mine Is Balanced), and then hit Choose when to turn off the display.

Last Step:

As expected, the Turn off the display drop-down menu Is grayed out, hence the setting cannot be changed. Excellent result Indeed.

Final Thoughts:

This may seem like a somewhat lengthy process, but It only takes around a couple of minutes or so to apply from start to finish. The good thing about this Implementation, Is that It takes effect Immediately, without the need to reboot your computer. If you wish to reverse the change, refer to Step Three above, and select the Not Configured radio button. Don't forget to hit OK.


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