Power settings, interfering devices, and many other elements can cause this problem. How to fix the problem.

Windows 10 turns off the screen after a set time, so you can take a break without shutting down your device or putting it into sleep mode. Also, it can protect your information from prying eyes and save power when you use a laptop without plugging it in.

If this doesn't happen on your Windows 10 PC and the screen stays on, there may be an issue with your settings. These instructions show you which setting options you should change so that Windows switches off your screen after the set time.

1. Check the power and sleep settings

This is the first setting you need to check. Here's how you can do it:

  1. click beginthen go to Settings> System.

  2. Select in the left pane menu Electricity & sleep.

  3. Check the screen Section.

  4. When the options are set to neveryou need to readjust it. You can set the option when your laptop is on battery power or when it is plugged in.

Once you've changed screen Settings, take a look Sleep the settings. While you can leave your laptop or PC on while the screen turns off, conflicts can arise when Sleep Settings are not suitable.

To avoid problems, make sure the options for In battery mode, the PC goes to sleep and for When the PC is connected, it goes to sleep are not set on never.

2. Run the power troubleshooter

A computer screen that does not turn off after the set time is a power-related problem. Therefore, running the power troubleshooter may resolve the problem. Here's how you can do it:

  1. click beginThen go to Settings> Update & Security.

  2. Select in the menu on the left Troubleshooting.

  3. click Additional bug fixes and scroll down to Find and fix other problems.

  4. click Power> Troubleshoot.

  5. Follow the instructions on the screen to resolve the issue.

3. Look for apps that are running in the background

An app could continue to run unnoticed and prevent your device from turning off the screen or going into sleep mode. For example, the Windows 10 assistant Cortana can be activated again and again by certain keywords. If you have cloud storage open or any other online sync app running, you should close it.

Related: How to stop apps from running in the background in Windows 10

The best way to fix this is to check Task Manager:

  1. Right click on the Taskbar and choose Task manager.

  2. Choose Processes Tab.

  3. Select an app and click End task.

4. Check the advanced power settings

If you are copying a large folder from your device to an external USB flash drive and your screen doesn't turn off after the set time, you need to take a look at the advanced power settings:

  1. By doing begin Menu search bar, search for Switchboard and choose the Best hit.

  2. Of the Seen from Menu, choose Big icons or Small icons.

  3. click Power Options> Change Plan Settings> Change Advanced Power Settings.

  4. Within the Energy settings Window, go to Multimedia settings> When sharing media.

  5. Choose Prevent falling asleep while idling to the Battery powered and Plugged in.

  6. click Apply> OK.

5. Check the peripheral devices

If your USB devices keep getting disconnected and reconnected, it will prevent Windows 10 from turning off the screen. You can fix this by unplugging all USB devices like keyboard, mouse, external hard drive, etc. and see if that solves the problem. If that fixes the problem, try connecting your devices one at a time to find out which USB device is causing the problem.

In case you can't identify the problematic USB device, you should run the Windows 10 troubleshooter. Because it can take a while to troubleshoot your keyboard, bluetooth, or printer individually, consider using the hardware and device troubleshooter.

To do this, follow these steps:

  1. By doing begin Menu search bar, search for command prompt and choose Execute as administrator.

  2. Art msdt.exe -id DeviceDiagnostic.

  3. Press Enter. This will open up the hardware and device troubleshooter.

  4. click Next to start the troubleshooting process.

Note: A bad USB port can also cause this problem.

Let Windows 10 turn off your screen

These solutions show what to do if your computer screen doesn't turn off after the set time. A Windows 10 update can cause this, but it can happen at any time. If this problem occurs again, restart your device first as this may be enough to fix the problem.

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About the author

Matthew Wallaker
(31 published articles)

Matthew's passions lead him to become a technical writer and blogger. As a graduate engineer, he likes to use his technical knowledge to write informative and useful content.

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By Matthew Wallaker

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