<< When you say that your system boots in text mode, do you mean that you see text on the screen? >>
Yes
<<Do you have the packages plymouth-theme-ubuntu-text and plymouth-theme-ubuntu-logo installed?>>
No, I had not, strange. Now I installed the two packages and I can see the Ubuntu logo.
But the resolution is wrong (seems 640x480) and the colors seems 16bit. I have a widescreen display 1920x1200
I can't take a screenshot in this moment
<< When you say that your system boots in text mode, do you mean that you see text on the screen? >>
Yes
<<Do you have the packages plymouth- theme-ubuntu- text and plymouth- theme-ubuntu- logo installed?>>
No, I had not, strange. Now I installed the two packages and I can see the Ubuntu logo.
But the resolution is wrong (seems 640x480) and the colors seems 16bit. I have a widescreen display 1920x1200
I can't take a screenshot in this moment