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After upgrading to 12.04, the Plymouth bootsplash screen isn't present. Instead I get a text based version. How can I get the higher-resolution graphical Plymouth bootsplash back?

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  • What does your /etc/default/grub file say? There should be a line that starts GRUB_CMDLINE_LINUX_DEFAULT=. What is the entire line?
    – Chan-Ho Suh
    Apr 15, 2012 at 8:32
  • GRUB_CMDLINE_LINUX_DEFAULT="quiet splash reboot=pci acpi_backlight=vendor"
    – Luke Hoersten
    Apr 28, 2012 at 2:16
  • It looks like you've modified your Grub config. Could you post all of it? Also, are you using the proprietary nvidia driver?
    – Chan-Ho Suh
    Apr 28, 2012 at 23:38
  • hpaste.org/67855 - yeah I'm using the proprietary nvidia driver.
    – Luke Hoersten
    Apr 30, 2012 at 0:18
  • 2
    Close voters: This question has a useful (and probably correct) answer. This should not be closed.
    – Seth
    Apr 6, 2013 at 21:04

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Chan-Ho Suh answered this in a comment:

Hi Luke. I took a look and see nothing amiss (unfortunately). The usual problem with the Nvidia prop driver is that the Plymouth splash is the wrong/low resolution, but in your case, it can't even boot in a lower resolution, which is odd. Anyway, the usual way of fixing the former is to uncomment #GRUB_GFXMODE=640x480 and set it to the appropriate resolution. So that might work for you too.

To uncomment a line in a configuration file like /etc/default/grub--which is the file to be modified in this situation--remove the # at the beginning.

After modifying /etc/default/grub, the command sudo update-grub must be run, to apply the changes.

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