Updating bios linux
You can also enable “Intel Virtual Technology” if you’re using KVM (it’s used by virtualization and emulation software).In the “Boot” tab, you’ll notice that the Linux boot loader entry is gone as well, but that shouldn’t be a problem because most systems will attempt to detect previously installed UEFI boot loaders automatically from the disks.If your new motherboard seems to be dead out of the box, and you’re sure the power supply is working and connected correctly, you may have a CPU that’s too new for the motherboard BIOS.This happened for Gigabyte GA-Q87M-D2H with version F6 BIOS–version F7 BIOS was necessary for Haswell Refresh CPUs.If you want to add back the Linux option in your UEFI boot menu, the simplest way is to reinstall your boot loader.
If it doesn’t, you can always use a bootable Linux USB stick for the next step.
Many latop brands like If you have a modern machine with a Phoenix firmware, chances are that the Windows executable contains the update in the form of an UEFI Capsule Update.
When a firmware is distributed in that form, the update program won’t flash it directly under Windows.
I had to put an “old” CPU in to flash the motherboard first.
$ geteltorito -o bios_r0iuj25Booting catalog starts at sector: 20 Manufacturer of CD: NERO BURNING ROM VER 12 Image architecture: x86 Boot media type is: harddisk El Torito image starts at sector 27 and has 43008 sector(s) of 512 Bytes Image has been written to file "bios_update.img".
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Since I wiped Windows off my machine a long time ago, I was wondering if there was an alternative (and secure) way to flash firmware updates on it. After months of investigation, I found an elegant and stable update procedure which doesn’t require Windows at all.