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- #Reddit 2017 macbook os x update update#
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Use the arrow keys to select Boot macOS Install from Install macOS High Sierra at the Clover bootloader menu and press Enter.Press F12 at startup to select the USB as your boot disk Disconnect any external monitors or other devices and place the USB installer in a USB 2.0 port of your ThinkPad X220.The EFI partition on your USB should now contain a single folder named EFI that contains two folders: BOOT and CLOVER. 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 EFI, Install macOS High Sierra (disk*s1) 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 X220 macOS 10.13 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 High Sierra (wait for the “copy complete” message in the Terminal before continuing).Sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/USB -applicationpath /Applications/Install\ macOS\ High\ Sierra.app -no interaction 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)
#Reddit 2017 macbook os x update 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 A pplications > Utilities > Disk Utility.Download the Install macOS High Sierra app from the App Store.– Security > Memory protection > Execution Prevention > Enabled
#Reddit 2017 macbook os x update serial#
– Config > Serial ATA (SATA) > SATA Controller Mode Option > AHCI
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– Config > Power > Power On with AC Attach > Disabled Press F1 at startup to adjust the BIOS settings as follows:.A video showing the process to replace the Wi-Fi card can be viewed here.Various other Mini PCIe and USB Wi-Fi adapters compatible with macOS are listed here.Note that it will not be possible to boot from our standard USB installer with this card installed only install this card after the macOS installation is complete and the necessary modifications have been made Another guide that might be helpful is available here.
#Reddit 2017 macbook os x update Bluetooth#
#Reddit 2017 macbook os x update update#
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.