Yves thank you very much for your help, today I tried newer drivers but the
problem persists. So I think it is hardware problem. Since the laptop is
still in warranty I will probably contact the manufacturer. My only worry
is that they would not accept it since I am running Linux (the laptop came
with Windows - and I am not sure if the problem would be also present on
Windows). Do you think there could be some issues with warranty service in
this case?
Thank you very much and have a nice day.
On Sun, Dec 17, 2017 at 2:53 AM, Yves Bellefeuille <yan@xxxxxxxx> wrote:
> "vychytraly ." <vychytraly@xxxxxxxxx> wrote:
>
> > I forgot to write that the dots start to appear only inside "Desktop
> > Environment" (in my case Gnome), not for example in grub/bios. Today
> > I tried to install ubuntu 16.04 and the green dots appeared there too
> > (in Unity).
>
> Video BIOS isn't the same as the usual video graphics:
> https://en.wikipedia.org/wiki/Video_BIOS . I think that's still true
> with UEFI.
>
> In other words, I would suspect a hardware problem or a driver problem
> rather than a software problem.
>
> --
> Yves Bellefeuille
> <yan@xxxxxxxx>
>
>
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