Trying to install Ubuntu 12.04 on Dell Vostro 470 gave me all kinds of trouble! At first, the graphical installer did NOT work, so I had to try the text-based installer (aka alternate installer). It was successful, but then I had to manually install the ubuntu-desktop package since I had no desktop installed! Not to mention that I was only able to log in to the system using the Recovery mode from GRUB menu. The default mode was giving me a garbled screen similar to this one, and I could never log into my system.
To fix the garbled display problem, I did what was advised on this page, by changing the kernel command line from 'quiet splash' to 'nomodeset':
1)Edit: /etc/default/grub
Change:
#GRUB_CMDLINE_LINUX_DEFAULT="splash quiet"
GRUB_CMDLINE_LINUX_DEFAULT="nomodeset"
2) Update GRUB by:
sudo update-grub
Now I can log in to my system from the default entry on GRUB!
To fix the garbled display problem, I did what was advised on this page, by changing the kernel command line from 'quiet splash' to 'nomodeset':
1)Edit: /etc/default/grub
Change:
#GRUB_CMDLINE_LINUX_DEFAULT="splash quiet"
GRUB_CMDLINE_LINUX_DEFAULT="nomodeset"
2) Update GRUB by:
sudo update-grub
Now I can log in to my system from the default entry on GRUB!
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