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.
It will appear as EFI on Install macOS Catalina Click the Mount Partition button to the right of the EFI partition of your USB.Launch Clover Configurator from the Utility and Kext Pack and click Mount EFI.Download the ThinkPad T430s macOS 10.15 Utility and Kext Pack and place a copy on your installation USB.After approximately 25-35 minutes the process will finish and the USB will be renamed Install macOS Catalina (wait for the “copy complete” message in the Terminal before continuing).Sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia -volume /Volumes/USB -nointeraction 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)
– 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)
– Config > Serial ATA (SATA) > SATA Controller Mode Option > AHCI – Config > Display > Graphics Device > Integrated Graphics (only necessary on units with NVIDIA Optimus) – Restart > Load Setup Defaults – OS Optimized Defaults > Disabled
See the Not Functioning section of the Notes and Suggestions at the bottom of this page for the latest status. Most macOS 10.15 Catalina features are fully functional on the ThinkPad T430s. THINKPAD T430S MACOS CATALINA 10.15 INSTALLATION GUIDE Follow these steps to perform a clean installation of macOS 10.15 Catalina on your ThinkPad T430s.