In this video, we have a Surface Pro 4 which doesn’t work with its battery connected and by switching it ON with its adaptor plugged in, the display comes for a second and goes OFF right after and the device goes to “Sleep mode” and one thing to mention is that, the battery doesn’t get charged. Many blocks can be the origin of this problem. Any by watching the video you can see where it originates from and how to troubleshoot and solve the problem of Surface Pro. You can also see a brief explanation about “how B+ gets provided” and “the function of Charging Microcontroller” Stay with us and learn lots of laptop repairing stuff! https://Dr-Bios.com/