以下是反馈的原内容，因为中文区没啥人看，所以直接用英语写的：
If I trigger power saver mode by using my pen to click the slide bar, or for example click "Twinkle Tray" (a software to adjust brightness in tray), the pen will immediately stop working. And sometimes after 5 seconds or 10 seconds, it will recover, but sometimes won't, I have to manually reboot my PC.
https://www.reddit.com/r/Surface/comments/gn73r4/surface_pro_7_touch_screenpen_issue_solved/
Here is a link to Reddit which reports the same issue as mine 2 months ago, this should be paid attention now since once it flows into beta or even release preview, lots and lots of people would fail in determine their pen writing!
(in the recording I try to use my pen on the screen, but it takes no response from the system, however, the button on bottom is working through Bluetooth connection)
