Best Answer: How Do I Know If I Have Uefi or Bios Linux?
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The easiest way to find out if you are running UEFI or BIOS is to look for a folder /sys/firmware/efi. The folder will be missing if your system is using BIOS. Alternative: The other method is to install a package called efibootmgr.

How do I know if I have UEFI or BIOS?

How to Check If Your Computer Uses UEFI or BIOS

  1. Press Windows + R keys simultaneously to open the Run box. Type MSInfo32 and hit Enter.
  2. On the right pane, find the “BIOS Mode”. If your PC uses BIOS, it will display Legacy. If it is using UEFI so it will display UEFI.

How do I know if my Ubuntu is UEFI?

An Ubuntu installed in UEFI mode can be detected the following way:

  1. its /etc/fstab file contains an UEFI partition (mount point: /boot/efi)
  2. it uses the grub-efi bootloader (not grub-pc)
  3. from the installed Ubuntu, open a terminal (Ctrl+Alt+T) then type the following command:
Chloe Bennett

Chloe Bennett

Culture, Media & Entertainment Columnist

Chloe Bennett explores the intersection of pop culture, streaming entertainment, digital trends, and contemporary lifestyle. Her weekly commentary reaches thousands of culture enthusiasts.

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