REF: UEFI Community Ubuntu Documentation Section 2.4 If your machine is CSM capable (which is a full UEFI implementation with an emulated BIOS layer) after selecting any option from the grub list the system will hang at a black screen. To identify if your machine is booting in installer UEFI mode you will see Ubuntu's installer 'when attempting to run in UEFI mode) will hang and stop due to different manufacturer's implementations of the UEFI specification and will hang in different ways.
Black screen or "you need to load kernel first" and "can not read file/cd0" errors when installing to an UEFI capable machine:
You can also try acpi = off and nolapic if nomodset also shows up as a black screen. Then press Esc, and press Enter to "Try Ubuntu without installing." Press F6, use the ← ↑ → ↓ keys to go down to nomodeset, and press Enter. To see if it works for you:īoot from the Desktop Live CD and press the ↓ key when you see the below: Fixing it and getting to the Ubuntu Desktop to try or install it can often be surprisingly easy fix: the nomodeset parameter. The Ubuntu installer's startup portion is sometimes incompatible with certain graphics cards. Black/purple screen when you try to boot the LiveCD Verify the integrity of the burned CD/DVD or written USB flash drive (this also checks that it's accessible by the computer on which you wish to install).Ģ.Check out these steps to see how to check your CD once you boot into it to make sure it's ready to go.See also: Where to find the checksums of Ubuntu ISO images? or MD5 hash for ubuntu. Ensuring your CD/DVD or USB flash drive burned/written correctly and not damaged:
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