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 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: