Can’t access BIOS after installing Ubuntu?

Ordinarily, to get into BIOS, immediately following physically switching the machine on, you need to press the F2 button repeatedly (not via a single continuous single press) until the bios appears. If that does not work, you should press the ESC key repeatedly instead.

How do I open BIOS in Ubuntu?

With BIOS, quickly press and hold the Shift key, which will bring up the GNU GRUB menu. (If you see the Ubuntu logo, you’ve missed the point where you can enter the GRUB menu.) With UEFI press (perhaps several times) the Escape key to get grub menu. Select the line which starts with “Advanced options”.

How do I get into the BIOS in Linux?

Power off the system. Power the system on and quickly press the “F2” button until you see the BIOS setting menu.

Does Ubuntu 18.04 support UEFI?

Ubuntu 18.04 supports UEFI firmware and can boot on PCs with secure boot enabled. So, you can install Ubuntu 18.04 on UEFI systems and Legacy BIOS systems without any problems.

What is UEFI mode?

The Unified Extensible Firmware Interface (UEFI) is a publicly available specification that defines a software interface between an operating system and platform firmware. … UEFI can support remote diagnostics and repair of computers, even with no operating system installed.

How can I enter BIOS if F2 key is not working?

If the F2 prompt doesn’t appear on the screen, you might not know when you should press the F2 key.



  1. Go to Advanced > Boot > Boot Configuration.
  2. In the Boot Display Config pane: Enable POST Function Hotkeys Displayed. Enable Display F2 to Enter Setup.
  3. Press F10 to save and exit BIOS.

Why is my BIOS not showing up?

You may have selected the quick boot or the boot logo settings accidentally, which replaces the BIOS display to make the system boot faster. I’d most probably try to clear the CMOS battery (removing it and then putting it back in).

What do you do if your computer won’t boot up?

What to Do When Your Computer Won’t Start

  1. Give It More Power. (Photo: Zlata Ivleva) …
  2. Check Your Monitor. (Photo: Zlata Ivleva) …
  3. Listen for the Beep. (Photo: Michael Sexton) …
  4. Unplug Unnecessary USB Devices. …
  5. Reseat the Hardware Inside. …
  6. Explore the BIOS. …
  7. Scan for Viruses Using a Live CD. …
  8. Boot Into Safe Mode.

How do I force BIOS to boot from USB?

Boot from USB: Windows

  1. Press the Power button for your computer.
  2. During the initial startup screen, press ESC, F1, F2, F8 or F10. …
  3. When you choose to enter BIOS Setup, the setup utility page will appear.
  4. Using the arrow keys on your keyboard, select the BOOT tab. …
  5. Move USB to be first in the boot sequence.

How do I boot into BIOS straight?

Common keys to enter the BIOS are F1, F2, F10, Delete, Esc, as well as key combinations like Ctrl + Alt + Esc or Ctrl + Alt + Delete, although those are more common on older machines. Also note that a key like F10 might actually launch something else, like the boot menu.

How do I reset my BIOS settings?

How to reset BIOS settings on Windows PCs

  1. Navigate to the Settings tab under your Start menu by clicking the gear icon.
  2. Click the Update & Security option and select Recovery from the left sidebar.
  3. You should see a Restart now option below the Advanced Setup heading, click this whenever you’re ready.

How do I know if I have UEFI or BIOS Linux?

Check if you are using UEFI or BIOS on Linux



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.

Does Linux have a BIOS?

The Linux kernel directly drives the hardware and does not use the BIOS. Since the Linux kernel does not use the BIOS, most of the hardware initialization is overkill.

How do I access BIOS from pop OS?

To enter BIOS for most System76 laptops, hold the F2 key immediately after turning your computer on.

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