![]() ![]() Click on Secure BOOT, select Secure BOOT Enable, and change Enable to Disabled, as shown below: After exiting Warming, click Yes, then click Exit to exit the settings, and re-enter the installation to install normally, as shown in the figure below: Click Install Ubuntu to enter the normal installation. According to the prompt, press F2 to enter B IOS Setup, or directly return to the initial interface to enter B IOS Setup. Please go back and add an EFI System Partition, or continue at your own risk. This system will likely not be able to boot successfully, and the installation process may fail. 2, Go back to the menu and resume partitioning No EFI System Partition was found. The blue screen appears directly, as shown in the following figure: After clicking OK: Cause AnalysisĪccording to the prompt, it is known as Security Violation, that is, a security problem. 1.ERROR: Verification failed: (0x1A) Security Violation. Later installation shows a blue screen again. I directly format the hard disk where Ubuntu is installed and clear the Ubuntu startup items in windows. Then refer to the official tutorial, I installed rEFInd v0.13.2 (the latest version when I posted this blog) via PPA in Ubuntu 21.10.However, when I restart the system and load rEFInd, it always fails with the message Verification failed:(0x1A)Security Violation. My situation is that I have installed both Ubuntu and Windows systems before. Background Ubuntu 21.10 can load on my computer through secure boot, and the shim version is 15.4. ![]() When installing Ubuntu into the boot disk, it displays Error: Verification failed: 0X1A security violation ![]()
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