![]() My page on installing Linux on EFI systems - This page is a more practical introduction to EFI-mode booting than Adam Williamson's blog.A question and answers on the differences between BIOS and EFI booting on - This provides the basics of the preceding, but is more concise.Adam Williamson's blog entry on how EFI works - This page describes the theory behind EFI-mode booting. UBUNTI PDF2CSV INSTALL DRIVERSSecure Boot can also complicate use of some third-party drivers after booting.įor more information on this subject, I recommend you read: There are rare cases of incompatibility because of bugs in the EFI and/or in an Ubuntu component, but these normally cause the Ubuntu installer to fail to boot. Ubuntu supports Secure Boot, and it normally works fine. Note that disabling Secure Boot is seldom necessary. This is simply a limitation of the installer, and you must use the "Something Else" option (as described here) to work around this problem. Use "Something Else" - In many cases, once you get the installer to boot, the "install alongside" options are missing from the Ubuntu installer's menu.Pick the one that includes the "UEFI" string if both are present, the other one is likely to boot in BIOS mode. One of these options includes the string "UEFI" and one doesn't. Use the appropriate boot option - In many cases, you'll see two boot options for an external boot medium in the computer's boot manager.I provide additional comments on this at the end of my CSM page, referenced below. ![]() Even if the EFI/BOOT/boot圆4.efi file seems to be present, an EFI might not like some detail of how the USB drive was prepared (like its partition table). UBUNTI PDF2CSV INSTALL ISOiso file into a bootable USB flash drive, that tool might or might not copy the EFI boot loader to the USB flash drive. ![]()
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