Issue 1: Graphic Issue
The same one as “https://askubuntu.com/questions/881608/ubuntu-16-10-with-multiple-graphics-issues-on-atom-intel"
The solution mentioned in the post actually works:
sudo apt-get install tasksel
sudo tasksel
Select Xubunut-Deskop and then OK, it will install new desktop applications.
Once reboot, it should work.
When Login Graphic freeze
One could use “Ctrl+Alt+Fn” to switch to console mode, so that changes to the system could be done.
For example to change the grub configuration:
sudo vim /etc/default/grub
show the graphic device and driver
lspci -k | grep -EA3 'VGA|3D|Display'