HP, Dell, ASUS, Lenovo, MSI and Acer have published Secure Boot certificate guides. Here's what each PC manufacturer says you ...

Use the following fixes if the Secure Boot state is OFF in System Information, but ON in BIOS. Check the Secure Boot status again in BIOS Change your BIOS mode and restore the factory keys Reset your ...

Your Linux PC has a Secure Boot problem - what to do first (and the workaround to avoid) ...

The Activision Support page has a useful article filled with advice on how to do this. I also strongly recommend you check any relevant literature for your motherboard, especially when it comes to ...