Disable Grub2 theme in Ubuntu MATE

Gurb 2 has GUI theme.

It may lag the boot time. User can remove it to get back legacy Grub theme.
Apply following command to remove Grub 2 theme.

sudo apt-get remove grub2-themes-ubuntu-mate

Then update Grub

update-grub

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How to update Grub ?

In certain cases while Linux installation, other operating system (e.g. Windows) not detected and listed in star up.  In such cases you can update grub from Linux. Open a terminal and execute the following commands,

sudo su
update-grub

Restart your system

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