Lenovo UEFI Update script for Linux

Readme.md

Lenovo UEFI Update with Linux

Howto

1. Download the "Bios Update Utility for Windows" version of the UEFI update
2. extrac the exe file using innoextract
3. insert an usb flash drive and format it with a fat filesystem mkfs.vfat $path_to_flash_drive_devicenode
4. mount the usb flash drive
5. download mkusbkey.sh available from here
6. change into the folder extracted by innoextract, it must contain a file called BootX64.efi
7. run mkusbkey.sh /path/to/flashkey/mountpoint
8. unmount the flash drive, reboot and boot from the usb flash drive

mkusbkey.sh

#!/bin/sh

if [[ ! -d "$1" ]]; then
    echo "usage: $0 <mount point of eampty fat32 formated usb flash drive>"
    exit 1
fi

set -e

DRIVE="$1"

mkdir -p "${DRIVE}/EFI/Boot"
mkdir -p "${DRIVE}/Flash"

cp BootX64.efi "${DRIVE}/EFI/Boot/BootX64.efi"

rsync -tr \
    --exclude="*.[sS][hH]" \
    --exclude="*.[bB][aA][tT]" \
    --exclude="*.[eE][xX][eE]" \
    --exclude="*.[tT][xX][tT]" \
    --exclude="*.[cC][oO][nN][fF][iI][gG]" \
    --exclude="32[bB][iI][tT]" \
    --exclude="64[bB][iI][tT]" \
    ./ "${DRIVE}/Flash/"

# I know that the excludes up there a very ugly, but saddly they are kneeded