The strange behaviour after installing: sudo apt-get install shim-signed Is while Grub2 menu load up, the screen becomes completely black, however, Grub2 itself is fuctional to launch an operating system such as Ubuntu and responds to keyboard.
The strange behaviour after installing: sudo apt-get install shim-signed
Is while Grub2 menu load up, the screen becomes completely black, however, Grub2 itself is fuctional to launch an operating system such as Ubuntu and responds to keyboard.