Dual Booting Arch Linux and Windows 11
Dual booting Arch Linux and Windows 11 can provide users with the flexibility to use both operating systems on a single machine. However, there are some challenges that you may encounter during the installation and configuration process. One such issue is when Windows 11 updates and erases the boot entry for Arch Linux in the UEFI boot manager. This article will guide you through the process of removing the Linux boot entry in UEFI for a Windows 11 dual boot setup with Arch Linux.
Updating Windows 11 and Problems with UEFI Boot Manager
After updating Windows 11, you may notice that the boot entry for Arch Linux has disappeared from the UEFI boot manager. This issue occurs because the Windows 11 update process overwrites the boot manager, erasing any non-Windows entries. To resolve this issue, you'll need to manually re-add the boot entry for Arch Linux to the UEFI boot manager.
Accessing the UEFI Boot Manager
To access the UEFI boot manager and remove the Linux boot entry, you need to restart your computer and press the appropriate key during startup. The key varies depending on the manufacturer, but it is usually one of the following:
- F2
- F10
- F12
- DEL
Once you have accessed the UEFI boot manager, you should see a list of boot options. Look for the Linux boot entry and delete it.
Booting Arch Linux using a Live USB
To add the boot entry for Arch Linux back to the UEFI boot manager, you'll need to boot into Arch Linux using a live USB. Follow these steps:
- Create a bootable USB stick with the Arch Linux installation media.
- Insert the USB stick into your computer and restart it.
- Press the appropriate key during startup to access the UEFI boot manager and select the Arch Linux live USB as the boot device.
Re-Adding Arch Linux Boot Entry
Once you have booted into Arch Linux using the live USB, you can add the Arch Linux boot entry back to the UEFI boot manager using the following commands:
# Load the UEFI module
modprobe efivars
# Create a new ESP partition if it doesn't exist
parted -s /dev/sda mklabel gpt mkpart ESP fat32 1Mib 101Mib
# Mount the ESP partition
mkdir /mnt/boot
mount /dev/sda1 /mnt/boot
# Install the Arch Linux bootloader
bootctl --path=/mnt/boot install
This code installs the Arch Linux bootloader to the EFI system partition (ESP) and adds the entry back to the UEFI boot manager.
Dual booting Arch Linux and Windows 11 can lead to issues with the UEFI boot manager when updating Windows 11. To resolve this issue, you need to access the UEFI boot manager, remove the Linux boot entry, and add it back using Arch Linux bootloader. By following the steps outlined in this article, you can ensure that your Arch Linux and Windows 11 dual boot setup remains functional even after updating Windows 11.