5 ways to fix Windows computer screen not turning off after set time

5 ways to fix Windows computer screen not turning off after set time

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2021-07-06 12:02:36

Windows 10 will turn off the screen after a certain amount of time, allowing you to rest without turning off your device or going to sleep. In addition, it can keep your information from prying eyes and save some power if you are using the laptop without the charger plugged in.

If that doesn’t happen on your Windows 10 PC and the screen stays on, there may be a problem with the settings. This guide tells you which settings you should change so that Windows turns off the screen after the set time.

1. Check Power & sleep settings

Power & sleep is the first setting that you need to check. Here’s how you can do it:

B1: Click Start, then go to Settings > System.

B2: From the menu on the left, select Power & sleep.

B3: Check out the section Screen.

B4: If the options are set to Never, you need to adjust them again. You can set options when the laptop is on battery power or when the computer is plugged in.

Check Power & sleep settings

After you have changed the settings Screen, see Sleep settings. Although you can turn on your laptop or PC while the screen is off, it can create conflicts if the Sleep settings are not appropriate.

To avoid any problems, make sure the options On battery power, PC goes to sleep and When plugged in PC goes to sleep after is set to Never.

2. Run Power Troubleshooter

The computer screen that does not turn off after the set time indicates a power related problem. This is why running Power Troubleshooter can fix the problem. Here’s how you do that:

B1: Click Start, then go to Settings > Update & Security.

B2: From the menu on the left, select Troubleshoot.

B3: Click Additional troubleshooters and scroll down Find and fix other problems.

B4: Click Power > Run the troubleshooter.

B5: Follow the on-screen instructions to troubleshoot.

Run Power Troubleshooter
Run Power Troubleshooter

3. Search for apps running in the background

An app can keep running without you realizing it, and it prevents your device from turning off the screen or going to sleep. For example, the Windows 10 assistant, Cortana, can continue to be activated by certain keywords. Also, if you have open cloud storage or any other online sync application running, you should close it.

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

B1: Right click on the taskbar and select Task Manager.

B2: Select tab Processes.

B3: Select an app and click End task.

Search for apps running in the background
Search for apps running in the background

4. Check advanced power settings

If you are copying a large folder from your device to an external USB and the screen does not turn off after the set time, you need to look into the advanced power settings:

B1: In the search bar of the menu Start, Find Control Panel and choose the best match.

B2: From the menu View by, choose Large icons or Small icons.

B3: Click Power options > Change plan settings > Change advanced power settings.

B4: In the window Power Options, go Multimedia settings > When sharing media.

B5: Choose Prevent idling to sleep for On battery and Plugged in.

B6: Click Apply > OK.

Check advanced power settings
Check advanced power settings

5. Check Peripherals

When USB devices keep disconnecting and reconnecting, they prevent Windows 10 from turning off the screen. You can fix this problem by unplugging all USB devices like keyboard, mouse, external hard drive etc. and check if this solves the problem. If this fixes the problem, connect your devices one by one to find out which USB device is causing the problem.

In the event that the problematic USB device cannot be identified, it is recommended that you run the Windows 10 troubleshooter. As it may take a while to run the individual troubleshooter for the keyboard, Bluetooth, or printer, due to that you should use Hardware and Devices troubleshooter.

Follow these steps:

B1: Open Command Prompt with admin rights.

B2: Import:

msdt.exe -id DeviceDiagnostic

B3: Press the button Enter. This will open Hardware and Devices troubleshooter.

B4: Click next to start the troubleshooting process.

Check Peripheral Devices
Check Peripheral Devices

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

Good luck with your troubleshooting!


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