If screen blacked out after 1st reboot, the problem is
gfxmode $linux_gfx_mode in grub.
Solutions: (for many servers, see solution 3 directly.)
- Temporarily delete by pressing "shift" during boot and "e" (edit).
- For permernent effect, oficial solution is to edit
GRUB_GFXPAYLOADas the same value, then run
update-grub && reboot.
If the oficial solution does not work, try edit
/etc/grub.d/10_linux, comment out the usage of
if ... then), and run
Although renaming defination of
function gfxmodedirectly is easier and can work, (can be done automatically by simple
sed/py regular expression), this will raise an error and pause for 3s during boot.
FROM DESKTOP TO TEXT/TERMINAL MODE
See: force text mode
FROM TEXT/TERMINAL TO DESKTOP MODE
VNC (REMOTE DESKTOP)