I have burned a Ubuntu disk and am booting from it on my Mac. However, it keeps going to a black screen with a single yellow character on a burgundy background. Usually an S and a weird ñ.
When booting it always displays a little icon in the bottom of the screen which looks like a keyboard, followed by an arrow, followed by a person in a Circe.
Sometimes the install/check disk/etc menu comes up before the weird yellow symbol, sometimes it doesn't at all.
When the symbol is up, no amount of pressing buttons or anything works.
Is this a Mac hardware problem? Is my disk bad?