Screen flickering when opened more than 45 degrees. Backlight works.
I recently started using my Macbook with an additional external screen. After a few weeks with this setup, connecting and disconnecting the external screen in between, the screen started flickering after I disconnected the external screen.
The flickering only occurs when the screen is opened more than roughly 45 degrees and sometimes stops when fully tilted back. The issue is not the backlight! The screen itself just turns black for a few fractions of a second, turns back on for a few moments up to several seconds and then the whole things starts over again. Most peculiar is that it stops at any angle as soon as I have the external screen connected.
An SMC and PRAM reset didn’t solve the problem. Booting in safe mode however does, but it happens again after leaving safe mode.
Theoretically my Macbook qualifies for the “flexgate” repair, but an Apple employee told me on the phone they will only fix it if the backlight is faulty, which is not the case for me.
Any input on how to fix this? This is so annoying, I can’t use the macbook without the external screen anymore. On the other hand I am quite happy with the macbook and would hate having to buy a new one, just because of this problem, as everything else on this machine is as good as new (after having the battery and top-case replaced for free not too long ago).
Thank you!
Update (02/06/2021)
I attached Videos of my problem. Some of you might ask now how I know the backlight is working, as the flickering is so short. Well sometimes it is longer, for example when I‘m scrolling through a document. Then you can notice that the screen is actually still lit and „just“ turned black.
Update (02/07/2021)
Here are the screenshots.
1. External screen connected
2. External screen disconnected
Es esta una buena pregunta?
I'm not sure I follow what you are encountering. Can you post a set of short vids so we can see how your system is reacting one with no external display and a second with the external connected from a closed screen to open, so we can see the displays reactions Agregar imágenes a una pregunta existente
- de Dan
I edited the original posting and added two short videos. Thanks a lot!
- de Mattes