How do I remove built in EFI shell?

How do I get out of EFI shell?

Option 1: press Fn + F3 to reset default settings, save and exit (by pressing Fn + F4 , or move to [Save&Exit] to do so).

What is built in EFI shell?

The Extensible Firmware Interface (EFI) shell is effectively a small operating system built into the system motherboard on modern servers. This provides an environment for troubleshooting and maintenance outside of the operating system. … Reminder: EFI tools can only be used when the main operating system is not running.

How do I boot from internal EFI shell?


  1. Format a USB device in FAT32.
  2. Create a directory on the USB device: /efi/boot/
  3. Copy the file shell. efi to the directory created above. This file is attached to this article in shell. zip.
  4. Rename the file shell.efi to BOOTX64.efi.
  5. Restart the system and enter the UEFI menu.
  6. Select the option to Boot from USB.

5 февр. 2020 г.

How do I fix my EFI shell?

How to fix EFI Shell errors when booting up the PC

  1. Plug HDD in a different port.
  2. Disable MSI Fast Boot or UEFI Boot in BIOS.
  3. Remove CMOS battery.
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19 февр. 2019 г.

What is shellx64 EFI?

Installing an EFI shell in an «EFI System» partition (type EF00) formatted with a VFAT file system and properly named shellx64. efi for a 64-bit system will allow you to boot directly into it from your BIOS. See: EFI Shells and Scripting and Basic Instructions for Using the Extensible Firmware Interface (EFI) (PDF).

How do I remove old boot options?

Follow these steps:

  1. Click Start.
  2. Type msconfig in the search box or open Run.
  3. Go to Boot.
  4. Select which Windows version you’d like to boot into directly.
  5. Press Set as Default.
  6. You can delete the earlier version by selecting it and then clicking Delete.
  7. Click Apply.
  8. Click OK.

How do I remove UEFI Boot Manager?

Open Terminal. cd /boot/efi/EFI . Remove Microsoft folder — sudo rm -R Microsoft . You can also remove the Boot folder — sudo rm -R Boot .

How do I change boot options?

  1. Restart the computer.
  2. Press the F8 key to open Advanced Boot Options.
  3. Select Repair your computer. Advanced Boot Options on Windows 7.
  4. Press Enter.
  5. At the System Recovery Options, click Command Prompt.
  6. Type: bcdedit.exe.
  7. Press Enter.

How do I boot from EFI in Windows 10?

Windows 10

  1. Insert the Media (DVD/USB) in your PC and restart.
  2. Boot from the media.
  3. Select Repair Your Computer.
  4. Select Troubleshoot.
  5. Select Advanced Options.
  6. Choose Command Prompt from the menu: …
  7. Verify that the EFI partition (EPS — EFI System Partition) is using the FAT32 file system. …
  8. In order to repair the boot record:

What are EFI variables?

UEFI variables. UEFI defines variables through which an operating system can interact with the firmware. UEFI boot variables are used by the boot loader and used by the OS only for early system start-up.

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How do I read an EFI file?

How do you open an EFI file? You need a suitable software like Extensible Firmware Interface from Intel to open an EFI file. Without proper software you will receive a Windows message «How do you want to open this file?» (Windows 10) or «Windows cannot open this file» (Windows 7) or a similar Mac/iPhone/Android alert.

What is the difference between UEFI and EFI?

UEFI is meant as a replacement for the BIOS firmware interface, present in all IBM PC-compatible personal computers. In practice, most UEFI systems have legacy support for BIOS functions. … UEFI is the new replacement for BIOS, the efi is a name/label of the partition where UEFI boot files are stored.

Is EFI system partition needed?

Yes, a separate EFI partition (FAT32 formated) small partition is always required if using UEFI mode. ~300MB should be enough for multi-boot but ~550MB is preferable. The ESP — EFI System Partiton — should not be confused with /boot (not required for most Ubuntu installations) and is a standard requirement.

How do I boot Windows from UEFI shell?

To Install Windows to an EFI-Based Computer

  1. Install Windows by running Windows Setup from an EFI boot entry on the master computer. …
  2. From the EFI shell, select the device with the Windows installation media, and then start the EFI boot application. …
  3. When prompted, press any key to boot from the Windows DVD.