adding downgrade info for laptops with locked version installed

4 years ago · 0e2b0732a5
parent ce7c39f290
commit 0e2b0732a5
1 changed files with 4 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -21,6 +21,10 @@ will have this lockdown.
 Lenovo is tracking their response to this CVE at:
    https://support.lenovo.com/gb/en/solutions/len-27764

+If you upgraded your BIOS to the locked version:
+* Ensure that downgrading is possible in BIOS settings (Security/UEFI BIOS Update Option/Secure Rollback Prevention -> Disable)
+* Downgrade it to the latest supported version. EC will be automatically downgraded as well
+
 Intro
 -----