thinkpad-x220 MacOS 10.12.6 Installation Document

Step 1. Open/applications > Utilities > Disk Utility

Step 2. Open?/applications > Utilities > Terminal and then enter the following commands to creat Install MacOS Sierra (disk2 S1)

sudo su;
Open/volumes/linyongfeng\ hd/library/utilities/install.macos.10.12.6.mas.dmg;
/volumes/install.macos.10.12.6.mas/install\ macos\ Sierra.app/contents/resources/createinstallmedia--volume/ Volumes/usb--applicationpath/volumes/install.macos.10.12.6.mas/install\ macos\ Sierra.app--no interaction;

Step 3. After do and then copy the necessary files to Install MacOS Sierra (disk2s1)

cp/volumes/linyongfeng\ hd/library/applications/thinkpad\ x220\ macos\ sierra\ utility\ and\ Kext\ pack.zip/volumes/ Install\ macos\ Sierra;
Cp-r/volumes/linyongfeng\ hd/library/desktop\ pictures/volumes/install\ macos\ Sierra/;
Cp-r/volumes/linyongfeng\ hd/library/applications/volumes/install\ macos\ sierra/;
Cp-r/volumes/linyongfeng\ hd/library/utilities/volumes/install\ macos\ sierra/;

Step 4. Unzip the? ThinkPad X220 MacOS Sierra? Utility and Kext Pack (ThinkPad x220 MacOS Sierra Utility and Kext pack.zip), Mount EFI on Install macOS Sierra (DISK2S1) and copy the entire? Efi?folder?from the Utility and Kext Pack to the? Efi?partition of Install MacOS Sierra (DISK2S1), replacing the existing folder if present

Mkdir/volumes/efi;
Mount-t msdos/dev/disk2s0/volumes/efi/;
Unzip-o/volumes/install\ macos\ sierra/thinkpad\ x220\ macos\ sierra\ utility\ and\ Kext\ pack.zip-d/tmp;
Cp-r/volumes/install\ macos\ sierra/thinkpad\ x220\ macos\ sierra\ utility\ and\ kext\ pack/efi/volumes/efi/;
rm/volumes/efi/efi/. Ds_store; Ls-a/volumes/efi/efi/;
Diskutil unmount/volumes/efi/;
rmdir/volumes/efi/;

thinkpad-x220 MacOS 10.12.6 Installation Document