diff --git a/chroot.sh b/chroot.sh
index 566e5f7..eb9edd1 100644
--- a/chroot.sh
+++ b/chroot.sh
@@ -1,5 +1,15 @@
 #!/bin/bash
 
+# BIOS
+#
+# Disable Secure Boot (if applicable)
+
+# EFI
+#
+# sudo efibootmgr -v
+# sudo efibootmgr -o XXXX,YYYY # adjust order
+
+
 sudo lsblk -f
 
 sudo mount /dev/nvme0n1p5 /mnt
@@ -13,8 +23,18 @@ sudo mount --bind /run /mnt/run
 sudo chroot /mnt
 
 
+# sudo fsck.fat -a /dev/nvme0n1p1
+
 # grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=GRUB
 # update-grub
 
+
+# Restore GRUB backup
+#
+# sudo mkdir -p /mnt/efi/EFI/Boot
+# sudo cp /mnt/efi/EFI/GRUB/grubx64.efi /mnt/efi/EFI/Boot/bootx64.efi
+
+
+
 # exit
 # sudo umount /mnt/dev /mnt/proc /mnt/sys /mnt/run /mnt/boot/efi /mnt