The internal hard drive not mounted in Disk Utility
Choose the reinstall macOS utility and then follow the instructions to reinstall macOS on the internal hard drive.
If you erased the Macintosh HD before reinstalling macOS, then it won't show up in the Startup Disk pane because you cannot boot up the Mac from a blank drive.Īt this time, you need to go back to the macOS utility window or similar. Here are three common reasons and solutions: However, find that the Macintosh HD missing from Startup Disk.
Select Utilities > Terminal in macOS Recovery mode.Make your Mac connected to the Internet all the time.
IBoysoft Data Recovery, a professional data recovery software, helps you recover lost documents, pictures, audio, videos, emails, etc.
Open that app from your Applications folder to begin installing the operating system.< p> & lt p& gt & amp lt p& amp gt & amp amp lt p& amp amp gt & amp amp amp lt p& amp amp amp gt & amp amp amp amp lt p& amp amp amp amp gt & amp amp amp amp amp lt p& amp amp amp amp amp gt & amp amp amp amp amp amp lt p& amp amp amp amp amp amp gt & amp amp amp amp amp amp amp lt p& amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp amp lt p& amp amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp amp amp lt p& amp amp amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp amp amp amp nbsp & amp amp amp amp amp amp amp amp amp amp lt p& amp amp amp amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp amp amp amp amp nbsp & amp amp amp amp amp amp amp amp amp amp amp lt p& amp amp amp amp amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp amp amp amp amp amp lt p& amp amp amp amp amp amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp amp amp amp amp amp amp lt p& amp amp amp amp amp amp amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp amp amp amp amp amp amp amp lt p& amp amp amp amp amp amp amp amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp lt p& amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp nbsp & amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp lt /p& amp amp amp amp amp amp amp amp amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp amp amp amp amp amp amp amp lt /p& amp amp amp amp amp amp amp amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp amp amp amp amp amp amp lt /p& amp amp amp amp amp amp amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp amp amp amp amp amp lt /p& amp amp amp amp amp amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp amp amp amp amp lt /p& amp amp amp amp amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp amp amp amp amp nbsp & amp amp amp amp amp amp amp amp amp amp lt /p& amp amp amp amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp amp amp amp nbsp & amp amp amp amp amp amp amp amp amp lt /p& amp amp amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp amp lt /p& amp amp amp amp amp amp amp amp gt & amp amp amp amp amp amp amp lt /p& amp amp amp amp amp amp amp gt & amp amp amp amp amp amp lt /p& amp amp amp amp amp amp gt & amp amp amp amp amp lt /p& amp amp amp amp amp gt & amp amp amp amp lt /p& amp amp amp amp gt & amp amp amp lt /p& amp amp amp gt & amp amp lt /p& amp amp gt & amp lt /p& amp gt & lt /p& gt < /p>
Safari downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg.
macOS Catalina can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks.macOS Big Sur can upgrade Catalina, Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks.
After you download the installer from the App Store, the installer opens automatically. Safari uses these links to find the old installers in the App Store.