GPU Setup: Booting an Old OS X With a New GPU Installed - Mac Pro Series ep.28

I show you how to boot in to an older OS X install with your new unsupported GPU installed by forcing the EFI drivers. Commands: Single User Mode sudo nvram boot-args="nv_disable=1" Commands: Terminal sudo bash nvram boot-args="nvda_drv=1" Thanks MacVidCards! http://www.macvidcards.com/how-do-i-install-new-drivers-if-i-cant-boot-without-drivers.html Like my Videos? Please like our Facebook and Twitter pages too! https://www.facebook.com/HrutkayMods/ https://twitter.com/Hrutkay_Mods