macOS Mojave requires Macs with Metal API support: MacBook: early-2015 or newer; MacBook Pro: mid-2012 or newer; MacBook Air: mid-2012 or newer; Mac Mini: late-2012 or newer; iMac: late-2012 or newer; iMac Pro: 2017 or newer; Mac Pro: late-2013 or newer, plus mid-2010 and mid-2012 models with recommended Metal-capable GPU; from: How to upgrade to macOS Mojave If you have hardware or software that isn't compatible with macOS Catalina, you might be able to upgrade to macOS Mojave. A GPU (video card) is all you’ll have to buy. Mac Pro (Late 2013, plus mid 2010 and mid 2012 models with recommend Metal-capable GPU) Now playing: Watch this: Apple's new Mac OS Mojave features dark mode 1:13 I can still successfully boot into safe mode, and recovery mode. A first document walks users through installing macOS Mojave on the Mid 2010 and Mid 2012 Mac Pros. Upon holding the option key on boot I receive no hdmi signal even though my Mac will be running. If you are trying to install Mojave on a Mac Pro 5,1 (early-2009 cross flashed with MP5,1 firmware, mid-2010 and mid-2012), you have first to upgrade your BootROM to version MP51.0089.B00 and to High Sierra 10.13.6, then you can install a Metal capable GPU* that … I have waited an hour, still no signal. I have 2010 Mac Pro running Mojave that will not boot into startup manger. While searching for a compatible graphics card, I found that I could install Mojave on my MacBook Pro Mid 2010 model by using a … The top Apple recommended card, is the Sapphire Pulse Radeon RX580.
I have tried using a … Check compatibility Just to get it up and running. There are a number of third-party vendors which sell graphics cards with integrated Metal support specifically designed for Mac computers. Mojave will only install if you have upgraded your BootROM to the current release and your Mac Pro have a Metal capable GPU*.