This is more of a note to myself than anything else, but as always such things can come in handy for anyone trying to figure something out.
With the last Update Pack for LMDE I managed to screw something up and the boot splash (the slick little Linux Mint logo that displays on boot) stopped displaying on boot.
This isn’t a big deal… it’s not like it affects the functionality of the machine. But it was an annoyance, particularly since it was a visible indicator of how I screwed something up, every single time I powered on this laptop. 🙂
Nothing I did seemed to make any difference — GRUB looked fine, everything was set correctly, but something had obviously broken in the update process.
Here is how I fixed it. I installed the Plymouth boot splash application, the Plymouth Direct Rendering Manager (Plymouth DRM) and the Mint theme pack for it. Then I used the command to set the theme I wanted and updated the initramfs, like so:
sudo apt-get install startupmanager plymouth plymouth-drm plymouth-themes-mint
sudo /usr/sbin/plymouth-set-default-theme mint-logo
sudo update-initramfs -u
Then, after a quick reboot, the Linux Mint boot splash appears!
The Linux Critic 
I am having the same issue. I’m gonna try it, may be it works for me too. Thanks