![]() Otherwise it won't detect Metal properly. IMPORTANT: Make sure to run Mojave installer directly from High Sierra, not from bootable USB stick. It's also recommended to perform Boot ROM update even if you plan to stay on older macOS version like High Sierra or older. The look is pretty different from 10.13’s App Store. The Mac App Store was redesigned for Mojave 10.14 The App Store was totally redesigned for 10.14 Mojave. If you plan to make a clean installation of macOS Mojave, make sure your partition is formatted as APFS filesystem and using GUID Partition Map. While the 10.13 App Store does not allow you to download the full High Sierra installer, it will allow you to download the full version of Mojave. Then post updating the Boot ROM you no longer need it. Best would be to get some cheap HP GeForce GT630 2 GB or DELL GeForce GT640 1 GB/GTX645 1 GB for PC (doesn't need to be flashed with Mac rom). ![]() ![]() If your current card doesn't support Metal (like factory installed NVIDIA GeForce GT120, AMD Radeon HD4870, HD5770 or HD5870) and your new card is too new to have High Sierra support (like RX5000/RX6000 series), then you need a helper card. If you have NVIDIA card make sure to have the latest Web Driver driver installed which can be downloaded from Drivers page, otherwise installer would complain about Metal support or FileVault enabled: My graphics card is Metal capable, but macOS Mojave installer still complains about lack of Metal support. The macOS Mojave 10.14.4 update adds support for Apple News+, includes bug fixes and improvements, improves the stability and reliability of your Mac, and is recommended for all users. If your macOS High Sierra partition is still running HFS+ filesystem it will be automatically converted to APFS after macOS Mojave installation. The newest of these updates, macOS 10.14. We recommend performing Boot ROM update and macOS Mojave installation with no other PCIe cards installed and a SATA drive connected to one of the internal drive bays. Apple has been keeping macOS 10.14 Mojave up to date with all the latest features. fixes critical CPU security bugs like Spectre & Meltdown etc. adds support for PCI-Express 2.0 (5.0 GT/s link) for all PCI-Express 2.0 or faster cards instead of much slower PCI-Express 1.1 (2.5 GT/s link) You need to update Mac Pro 5,1 Boot ROM in order to install macOS Mojave 10.14 and newer unsupported systems like macOS Catalina 10.15, macOS Big Sur 11 or macOS Monterey 12. Installing macOS Mojave 10.14 and performing Mac Pro 5,1 Boot ROM update
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