Lenovo Thinkpad screen goes black issue fix when changing the power mode plugin mode to battery mode

Hello guys, Today I am going to show you, How to fix the Lenovo Thinkpad black screen when plugged in and out. This issue happened because the display refresh rate is changing 60Hz to 48Hz when changing the power plugin mode to battery mode. As you can see, the black screen comes when the power mode changes. Let me show you how to fix the issue. 

First, go to the system tray in the taskbar and go to intel graphics settings. Then go to "power settings and On Battery and Global settings". As you can see Display refresh rate switching setting is enabled. Please Disable it and Apply it. On the popup, the screen makes sure to OK to keep the changed settings. 

Now as you can see, it fixed the problem. With this method, you can fix any laptop with the same issue. Please check the video for more details.