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Flashing display on Book 2 15 inch

Wayne Orwig

Active Member
I got a good Black Friday deal on a 15 inch Book 2.

So far, everything has been working pretty well. But I have one annoying issue.
When on battery power, the display will occasionally flicker. With or without an app running. Sometimes it doesn't do it for a few minutes, and sometimes it does it every 10 seconds. Often the display changes color, like the nightlight does, only less dark. Then it flickers and returns to normal for a few seconds, or minutes.

It does not do it on AC power.
I have turned off the nightlight and is still does it.
I have eliminated all of the background processes that I can and there is no improvement.
My Book 1 and Surface Pro 3 run basically the same apps with no problems.

Annoying.

Has anyone else seen or heard of this?
 

sharpuser

Super Moderator
Staff member
That doesn’t sound good. I have had three Surface Book 2 units, and still have two, both 1TB 15 inch. Never a flicker.

To help diagnose, when you tap or lightly bump tour SB2 while the screen is flickering, do you see any effect. Checking for something loose, of course.
 
OP
Wayne Orwig

Wayne Orwig

Active Member
It is not a 'physical' thing like a loose connection. I'm 99.99999% sure.
It may be related to when I have Edge open, as I have it open most of the time and I have not seen under other apps. But then it is random so......
I found one article about flashing displays, that recommended deleting the display driver in safe mode. I used to know how to get to safe mode, but was unable to do it with Win 10. (it asked for my drive encryption key, then went straight to normal windows) I tried deleting the driver after a normal boot and it did not help.
It is not doing it today. I think it is related to the automatic screen brightness and only does it at certain light levels.
 

sharpuser

Super Moderator
Staff member
For now, Edge drives the display with a special method which allows pixel-by-pixel resolution (smooth) scrolling. So vertical streaks and flashes occur with Edge when a video is playing, even if that video is an advertisement or "tv" sub-window. So this is "normal" but annoying … for now.

See reference here: Strange screen issue

Is this what you experience?
 
OP
Wayne Orwig

Wayne Orwig

Active Member
That may be it. My Pro 3 and Book 1 have had the vertical streak. This Book 2 has the occasional vertical streak.
And the flashing may be related. I'm not sure what triggers it.

Edit: Not Edge. I closed everything (via Task Manager). On battery power, I often get a 'flash', a few seconds later the brightness (and maybe resolution?) changes, and about 10 seconds later the display flashes and it starts over. Sometimes. I have tried various resolutions and brightness settings. The only constant I have found is that it is on battery power when it happens.
 
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