in my case it was: external: 1920x1080 internal: 1280x800 Exactly the same issue as f1anker described.
Unfortunately won't be able to test a lower resolution until October. I am attaching lspci output, hope this helps.
in my case it was:
external: 1920x1080
internal: 1280x800
Exactly the same issue as f1anker described.
Unfortunately won't be able to test a lower resolution until October. I am attaching lspci output, hope this helps.