RELATED: Best Linux Laptops for Developers and EnthusiastsĬhris Hoffman is the former Editor-in-Chief of How-To Geek. This doesn't seem to be a common at the moment. Add a Signing Key to the UEFI Firmware: Some Linux distributions may sign their boot loaders with their own key, which you can add to your UEFI firmware.This is also necessary if you want to install an older version of Windows that wasn't developed with Secure Boot in mind, such as Windows 7. Disable Secure Boot: Secure Boot can be disabled, which will exchange its security benefits for the ability to have your PC boot anything, just as older PCs with the traditional BIOS do.Users may have to disable Secure Boot to to use Ubuntu on some PCs. However, a Ubuntu developer notes that Ubuntu's boot loader isn't signed with a key that's required by Microsoft's certification process, but simply a key Microsoft says is 'recommended.' This means that Ubuntu may not boot on all UEFI PCs. This is because Ubuntu's first-stage EFI boot loader is signed by Microsoft. Choose a Linux Distribution That Supports Secure Boot: Modern versions of Ubuntu - starting with Ubuntu 12.04.2 LTS and 12.10 - will boot and install normally on most PCs with Secure Boot enabled.You have several options for installing Linux on a PC with Secure Boot: