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+---
+title: Recover UEFI's grub entry after updating BIOS
+date: 2024-03-26 19:24:03
+layout: post
+lang: en
+tags: []
+draft: false
+---
+#+OPTIONS: toc:nil num:nil
+#+LANGUAGE: en
+
+Another BIOS update from my MSI B550-A Pro motherboard, another loss of all BIOS settings and boot entries…
+
+Here's how I recovered this time as a Slackware bootable install USB-key wouldn't boot.
+
+* Boot from a LiveSlak
+* open a Konsole
+* become root
+#+begin_src shell
+su -
+#+end_src
+* Re-create boot entry
+#+begin_src shell
+efibootmgr -c -g -d /dev/nvme0n1 -p 1 -w -L "Slackware" -l '\EFI\grub\grubx64.efi'
+#+end_src