Use the factory secure boot keys to update your bios. I did not try to just disable SecureBoot, maybe that would be just enough. The file must have been signed and the singature couldn't be veryfied with my own keys.Īfter exporting my keys (backup) and import the factory keys, which can be done within the bios (thanks Asus), i was able to update the bios. And that is also the root cause why i was getting the error. In order to accomplish Linux/Windows dual boot with UEFI and SecureBoot enabled, i had to rollout my own SecureBoot-Keys: Platform Key (PK), Key Exchange Key (KEK), Signature Database (db). In the end it was my very own fault, as you already guessed. Oh boy, i tried nearly everything to get it to read the file. I was seeing the file in EZ Flash 3, i was able to select it but i still got this error message "Selected file is not a UEFI BIOS!", which by the way is very misleading in my opinion. Verified the file hashes after downloading, extracting and copying (Get-FileHash from Terminal/PowerShell) Made sure it was named correctly ("model"+AS.+"version") I had everything prepared like the manual (and the support) wanted. The notebook has Windows 11 preinstalled and i installed Linux besides Windows with Secureboot enabled. Before you go further into troubleshooting, start up your PC and update any drivers that are outdated and have pending updates. I just wanted to share why i got this error and hopefully help someone else who's struggeling on the bios update out of the same reason.įirst of all, i have a Asus ROG Strix G513QY Gaming-Notebook that was shipped with the firmware version 316 and i wanted to update to version 318. The most common reason for receiving Selected file is not a proper BIOS is because your other drivers are not up to date, especially the chipset drivers.
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