how to eject a DVD from a MacBook?

Question

On an older Macbook from 2008 the DVD is stuck in the tray. Unfortunately, GRUB isn't booting properly so there's no OS.

How can I eject the disk? It's a slot loaded disk, so no button or tray.

Answer 1

ok, there's an eject button:

I held that down at boot. Still get the grub error, but at least the DVD's ejected.