After some reading on internet I decided yesterday to install the nvidia
diverse in package nvidia-driver-390. This resulted in a non-working
graphic display. So I had to restore my installed packages and remove
the nvidia-driver-390 package.
When rebooting the initial screen showed the expected
Public bug reported:
When booting the startup screen is in low resolution while before it was
in high resolution.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7.1
ProcVersionSignature: Ubuntu 4.15.0-46.49-generic 4.15.18
Uname: Linux 4.15.0-46-generic x86_64
