Option two: enable sleep via Local Group Policy Editor If, on the other hand, the sleep option is still missing from the menu, proceed to the next step. If the sleep option is back in the Power menu - congratulations! You have successfully restored your system’s ability to rest. To confirm this, go to the Power menu and see if the sleep option has returned.Click Save changes to bring the sleep option back.Make sure to check the Sleep box down below.Next, click Change settings that are currently unavailable.In the left pane, click Choose what the power buttons do.In the next window, click Power Options.When the Control Panel window has opened, go to the drop-down list next to View by.On your keyboard, ssthe Win + R key combo to launch Run.This fix is available for all versions of Windows 10 and is not as complicated as it may seem. Option one: enable sleep mode via Control Panel Next click on Change advanced power settings, and under Advanced settings expand the Display and Enable adaptive brightness.As we’ve mentioned above, there are three main fixes for the missing sleep option issue in Windows 10. Open the Control panel and click on the Power Options.Īnd From your current active power plan click on the Change Plan Settings. Enable Adaptive Brightness using Power Options: If the light sensor category is present then update the driver manually. Then open the Device Manager and expand the Sensors category and look for the light sensor. So download the latest drivers for your device and install it manually. Sometimes after installing new Windows operating system, you need to install all the Drivers. If the light sensor category is present then make sure it is not disabled, if it is disabled then enable the sensor. This command will open the Device Manager.Īnd expand the Sensors category and look for the light sensor. Open Run command by pressing Windows + R and type devmgmt.msc and hit enter. Check the Light sensor is available on your device: And it plays a vital role in saving the battery power of the laptop. Light sensors control the brightness of the computer’s screen automatically. The light sensor is a small hardware device that is mostly used in smartphones and computers to make their screen adaptive to the light surrounding them. If you are not able to find the Adaptive brightness option in the Windows setting, then your device might not have a built-in ambient light sensor. Adaptive brightness option missing in Windows 10:
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