Stock Wi-Fi cards in the X220 are not compatible with macOS.

– Please note the warning on the Advanced menu in the BIOS: Setting items on this screen to incorrect values may cause the system to malfunction! The default values will work fine but the wrong settings can prevent your X220 from booting. – To install this modified BIOS from a bootable USB drive, see the instructions here. This modified BIOS will also enable advanced settings and improve battery life under macOS.

Install the modified BIOS version 1.46 to remove the whitelist check and permit the installation of a Wi-Fi card compatible with macOS.

Please use our contact form if you find anything that isn’t accurate.

See the guide here to dual-boot macOS and Windows.

See the guide here to install OS X 10.10 Yosemite on the ThinkPad X220.

See the guide here to install OS X 10.11 El Capitan on the ThinkPad X220.

See the guide here to install macOS 10.12 Sierra on the ThinkPad X220.

If you already have macOS 10.12 Sierra, OS X 10.11 El Capitan, or OS X 10.10 Yosemite on your X220 we recommend a clean installation of macOS 10.13 High Sierra, not an update from the existing installation.

See the Not Functioning section of the Notes and Suggestions at the bottom of this page for the latest status. Most macOS 10.13 High Sierra features are fully functional on the ThinkPad X220. See the ThinkPad X220 Mojave guides here ThinkPad X220 macOS High Sierra 10.13įollow these steps to perform a clean installation of macOS 10.13 High Sierra on your ThinkPad X220 or X220 Tablet with an Intel Core i3, i5 or i7 CPU.

How to install mac os 10.12