Generally, when your computer is not operated for a period of time, the system will default to turn off the screen, or go to sleep. But some users find their Windows 10 laptops cannot be woken up after a period of automatic black screen.
Whether it is in Windows 10 Windows 7, there is a function to turn off the screen automatically and sleep automatically. Generally, when your computer is not operated for a period of time, the system will default to turn off the screen, or go to sleep. The purpose of this feature is to save the computer's power consumption, but it has caused some users (especially laptop users) some trouble.
Their Windows 10 laptops cannot be woken up after a period of automatic black screen, and they can only force the system to restart. If you encounter such a situation, how to solve it?
1. First of all, open the Control Panel. You can search for it directly in the Windows search bar.
2. Choose to press "View by Large icons", then you can find "Power Options" in the list. Then click "Change plan settings" in the pop-up screen.
3. First make sure the status of Turn off the display is "Never", so as to avoid the problem caused by the screen turning off automatically. Then click "Change advanced power settings".
4. In the advanced settings tab of Power Options, scroll down to find the "PCI Express" option, and then expand the "Link State Power Management" menu.
5. The default setting is "Moderate power savings". You can click the arrow next to it and select "Off" in the drop-down menu.
6. "Apply" the changes and click "OK" to save the settings. Then you can put your computer to sleep and check if it can wake up properly.
Usually the above steps can solve the problem of Windows 10 cannot wake up from sleep state. If it still does not work, you can consider troubleshooting the graphics card driver and Intel Management Engine Interface driver, such as updating the driver, modifying different versions of the driver, etc.