As early as last November, some buy Book/Pro Surface 4 of the user feedback that the device in sleep or standby mode will appear the problem of battery depletion, preliminary judgment should be caused by Hello Windows. At the end of last year, Microsoft acknowledged that there was a problem in power management and promised to launch a new patch as soon as possible. Microsoft pushed some firmware updates to Book/Pro Surface 4 devices yesterday, but the sleep / power management problem is still not resolved.
In the post in the Surface support website, Microsoft said it is still very hard to repair the Book/Pro Surface 4 on the existence of this sleep / battery management issues, wrote in the reply:
Yesterday, our engineering team has released a number of updates for Book Surface and Pro Surface 4. These updates can improve and battery charge, temperature regulation, wireless and Bluetooth performance, and optimize the performance of Book Surface independent graphics. We know that some users are still experiencing problems including power management, and we also do our best to help users solve these problems. Once we are ready, we will be released immediately.
After a user in the Microsoft technical support forum, wrote: after a lot of trial and error, I think I found the problem. Is Hello Windows. When open, the standby mode can only adhere to 5 hours. And when the switch is turned off: the network standby can persist for 87 hours."
If you are also affected by a member, then may wish to try the next user's program. If you turn off the switch is still not changed, then Hello Windows is not your problem, it seems to have to spend some effort to find other reasons. Or you can enter the command bar.