Updating graphics bios in linux
You may also want to try redoing the steps to create your bootable device and rebooting the development platform.
For detailed steps, see Creating a bootable device and Installing your operating system.
Now that the MSI X99S SLI PLUS is running great on Linux, I've been working with the company towards some other Linux improvements along with some other interesting Linux hardware reviews to come thanks to our renewed cooperation.
One of the items I've been voicing has been regarding better supporting Linux users with regard to a smoother BIOS/UEFI update process.
The password will still be required even after re-flashing the BIOS due to the feature being enabled by default.
First, make sure that your micro SD card or USB device is securely connected to the development platform.
Also make sure you don't have a micro SD card and a USB drive plugged into the development platform at the same time.
If either the F2 key or UP keys are pressed on a connected keyboard before this countdown finishes the BIOS configuration menu will loaded.The configuration is enabled by default when flashing the BIOS but will not take effect until a password is set (i.e., a blank password is set by default).