Toni
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Confirmed. I dont have "windows UEFI firmware update" option in BIOS.
On 12/27/2021 at 9:56 AM, Klem said:Also, check if in your bios setup menu settings set to what they are in the picture below as well?
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3 minutes ago, Klem said:
Also, do you have Admin privileges on your device, cause if not, then that can definitely prevent you from preforming firmware update. If you have turned off UAC (User Account Control) then make sure to right click the .exe files and select "Run as Administrator".
Always ran as admin. I think utility cannot even be started other way.
1 minute ago, Klem said:Also, check if in your bios setup menu settings set to what they are in the picture below as well?
I don't have the laptop with me at the moment, but I think I don't have the third option at all. First two ones are set as in the picture.
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5 minutes ago, Klem said:
Hi!
Solution is Secure RollBack prevention should be set to disabled:
1. Go to the BIOS Setup menu (Read at Methods to enter BIOS)
2. Click on Security
3. Click on UEFI BIOS Update Option
4. Click on Secure Rollback Prevention
5. Click on DisableThanks Klem, but unfortunately it doesn't work. I tried flashing from windows, making eltorito boot disk, disabling virtualization... Always the same. EC gets flashed, but bios not and always with the same message.
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Hi,
I have a T450 and cannot update my bios as I always get an error "Secure Flash Authentication Failed". Tried every advice fond online but no luck.
Question is can this procedure be used to flash latest stock bios from lenovo?
Thanks!
Lenovo ThinkPad T450s unlocked BIOS menu / wlan / wi-fi whitelist mod
in Lenovo
Posted
Could unlocking advanced menu maybe solve this?