MOK Message When Booting Linux with Secure Boot Enabled
Summary: Learn what to do if a machine owner key (MOK) message appears during boot on a Dell computer that is running Linux with secure boot enabled.
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Symptoms
A MOK message appears, asking to press any key to continue upon boot.
Cause
Secure boot requires MOK with Linux computers.
Resolution
The MOK message during boot can be disabled by going to Enroll MOK or by choosing to Disable Secure Boot from the Dell BIOS. Follow the appropriate method for more information.
Enroll MOK
- When the MOK message appears, press any key to Perform MOK management.
- Select Enroll MOK and then press Enter.
Figure 1: Enroll MOK
- Select Continue and then press Enter.
Figure 2: Continue
Note: Optionally, you can select View key. The key is alphanumerical.
- When prompted to enroll the keys, select Yes and then press Enter.
Figure 3: Enrolling the keys
- Select Reboot and then press Enter.
Figure 4: Rebooting
Disable Secure Boot from the Dell BIOS
Disabling Secure Boot causes MOK messages to stop appearing on boot. For specific information about how to disable Secure Boot in your Dell computer’s BIOS, go to Dell Support Manuals. Identify your product, then locate the Owner’s Manual for information about your BIOS settings.
Article Properties
Article Number: 000221584
Article Type: Solution
Last Modified: 01 Feb 2024
Version: 1
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