nomodeset parameter instructs the kernel to not load video drivers and use BIOS modes instead until X is loaded.
- Immediately after the motherboard / computer manufacturer logo splash screen appears when the computer is booting, with BIOS, quickly press and hold the Shift key, which will bring up a boot menu screen. With UEFI press (perhaps several times) the Esc key to get to the boot menu screen. Sometimes the manufacturer's splash screen is a part of the Windows bootloader, so when you power up the machine it goes straight to the boot menu screen, and then pressing Shift or Esc is unnecessary.
- Press the e key to edit a menu entry. This will bring up an openSUSE Leap screen that looks like this:
Use the arrow keys to navigate when screen editing the above screen. Navigate to the line on this screen that starts with
nomodeset splash=silent. This change is only temporary — it will just be used once and GRUB won’t remember it in the future. Press Ctrl+X or F10 to boot with the
nomodeset option that was added. If you make a mistake, press Esc to go back to the previous screen.
To make the change permanent you need to add it to the
/etc/default/grub file. Append
nomodeset inside the quotes of the line
GRUB_CMDLINE_LINUX_DEFAULT="...". Then update your grub settings with