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Quit Clover Configurator and copy the entire EFI folder from the Utility and Kext Pack to the EFI partition of your USB, replacing the existing folder if present.
#KEXT UTILITY 2.5.7 INSTALL#
It will appear as EFI on Install macOS Catalina
![kext utility 2.5.7 kext utility 2.5.7](https://i.ytimg.com/vi/OBU1bXFFChw/mqdefault.jpg)
Launch Clover Configurator from the Utility and Kext Pack and click Mount EFIĬlick the Mount Partition button to the right of the EFI partition of your USB. Sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia -volume /Volumes/USB -nointeractionĪfter approximately 25-35 minutes the process will finish and the USB will be renamed Install macOS Catalina (wait for the “Install media now available” message in the Terminal before continuing)ĭownload the GA-Z68X-UDH3-B3 macOS 10.15 Utility and Kext Pack and place a copy on your installation USB Open Applications → Utilities → Terminal and enter the following command: Under Scheme: select GUID Partition Map (If the Scheme option is not visible, go to the View menu and select Show All Devices)
#KEXT UTILITY 2.5.7 MAC OS#
Under Format: select Mac OS Extended (Journaled) Select the USB disk in the left pane (select the physical disk, not a volume on the disk) Open Applications → Utilities → Disk Utility Peripherals → Super IO Configuration → Super IO Chip → Serial Port A = Disabledĭownload the Install macOS Catalina app from the App Store.Peripherals → SATA Mode Selection = AHCI.BIOS Features → Boot Mode Selection = UEFI Only.BIOS Features → Intel Virtualization Technology = Enabled.*Set to Disabled if your RAM modules do not support Intel XMP → Advanced Memory Settings → Extreme Memory Profile (X.M.P.) = Profile1* → Advanced Frequency Settings → Advanced CPU Core Features → CPU EIST Function = Disabled Press F12 at startup to enter BIOS setup and select the following: See the modified BIOS here if you want to use an NVMe SSD See the guide here if you are updating from a legacy version of the BIOS (version F12 or earlier) Update the BIOS to the latest UEFI version MacOS CATALINA 10.15.6 INSTALLATION on the GA-Z68X-UD3H-B3įollow these steps to perform a clean installation of macOS Catalina on your GA-Z68X-UD3H-B3 system.Ī Time Machine backup of your current installation will allow you to easily restore files with Migration Assistant after a clean installation.Īn Ivy Bridge CPU with Intel HD Graphics 4000 or a discrete graphics card compatible with Metal will be necessary to install macOS Catalina.