Forcing a specific video mode, Centos 7

At the grub prompt, edit the line for the specific kernel and at the end of the line add: video=800×600-24 for 800 x 600 resolution with 24 bit colour. To make this permanent: Edit /etc/default/grub and add the video= to the end of GRUB_CMDLINE_LINUX line. # grub2-mkconfig -o /boot/grub2/grub.cfg This will force the video mode … [Read more…]