You'll be presented with a list of bootable drives. You may now restart your Mac and hold down the Option key after hearing the boot sound.
HIGH SIERRA USB BOOT WORKS ONCE THEN NOT INSTALL
You will be asked to enter your Administrative account password.Īfter about 30 minutes the creation of your USB Install Key for macOS High Sierra will be complete. Sudo '/Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia' -volume '/Volumes/Untitled' Please note this will erase the entire USB key. Once you've verified that you have the full installer, launch Terminal from the Applications:Utilities folder.Įxecute the following command in the Terminal window replacing 'Untitled' with the name of your USB key. If it's tiny (~20MB), you can either run it to install High Sierra and then redownload the installer or delete it, upgrade to the latest version of Sierra from the Mac App Store Update tab, then redownload the installer. Once prompted, open disk utility, format drive as APFS w/ GUID if using an SSD, macOS Extended Journaled w/ GUID if using a HDD. In Clover, navigate with arrow keys to the Options, hit enter on boot options, type -v, hit enter again, return. Press Command+i on the keyboard and verify its size. Plug in USB, Boot T430, hit F12 on startup.
HIGH SIERRA USB BOOT WORKS ONCE THEN NOT HOW TO
Open your Applications folder and select the 'Install macOS High Sierra app. macOS Sierra and El Capitan Hackintosh instructions, tutorials, step-by-step how to guides and installation videos Hackintosh systems, parts and more. It appears as though the full installer is only being provided to those on the latest version of Sierra 10.12.6 and users already on High Sierra 10.13. MacOS High Sierra is Apples newest operating system for Mac, but some users might have issues with applications or home server setups not working correctly. Unfortunately, users have reported that the App Store is providing them with a stub installer that downloads the files it needs during the installation process. You may notice that download is very quick. Once the installer launches, press the Command+Q keys on the keyboard to exit. If you are already on, or have already downloaded High Sierra, you may need to click the Download button. Navigate to the macOS High Sierra application page and click the Get button. To resolve not booting Mac after High Sierra update you can try to reset SMC, boot Mac in Safe Mode. These are instructions on how to make a bootable macOS High Sierra USB key.Ĭonnect a 8GB or larger USB key to your computer then launch the Mac App Store from your dock. Backup & recover your data using Remo Recover tool and then start fixing the Mac wont Boot issue.