take a lookie here mate - https://wiki.debian.org/NvidiaGraphicsDrivers
Type: Posts; User: turbominicooper
take a lookie here mate - https://wiki.debian.org/NvidiaGraphicsDrivers
im going through this issue at the mo mate, will update once ive figured it out...
follow this and use the versions of stuff ie refind 8.3 and you will be fine
http://docs.kali.org/installation/kali-linux-dual-boot-on-mac-hardware