[The main branch is 9 months old, but there’s another branch that has just been updated…] Tools to check and cryptographically sign UEFI firmware images found in ThinkPads. This will resolve the issue where your ThinkPad lets out two groups of five beeps before continuing to boot (the error indicating an invalid signature). These tools … Continue reading thinkpad-uefi-sign: Tools to check and cryptographically sign UEFI firmware images found in ThinkPads