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The Linux kernel since version 3.8 abstracts UEFI variable storage as efivarfs. Mounting efivarfs If mount | grep '^efivarfs' doesn't return anything, you can mount efivarfs using this command: mount -t efivarfs efivarfs /sys/firmware/efi/efivars Now, you can browse /sys/firmware/efi/efivars to see if any variables stand out. Sorting UEFI variables by ...


Graphical illustrations for: Windows 8 Windows 10 Here's how you can access BIOS: Settings > Update & recovery/Update & security > Recovery > Advanced startup: Restart now > Troubleshoot > Advanced options. If you see UEFI Firmware Settings then go for it. Otherwise: Startup Settings > Restart > Tap the BIOS key (F1 in this case)

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