OS X 10.8 OS X 10.9 OS X 10.10 OS X 10.11 Mac OS 10.12 Mac OS 10.13 Mac OS 10.14 Mac OS 10.15: 506.65 MB: OpticBook 4800 Installer for eBookScanSetup: Download V3.0.0.24 Windows XP 32-bit Windows XP 64-bit. This list of Macintosh models by case type contains all case designs used by Apple Inc. For its Macintosh computers. The list is sectioned by general case layout, but inside the sections the order is chronological. Models that used multiple names (like most Performas) are listed only once.Where available, the 'form factor' from Apple's datasheets has been used to determine the case designation. Obviously, Mac OS X provides support for reading and writing optical media, although the Mac treats optical media differently than disk or flash drives. This is because most optical media formats require that the data be sequentially and permanently written to the disc.
Start up from macOS Recovery
Determine whether you're using a Mac with Apple silicon, then follow the appropriate steps:
Apple silicon
Were getting there mac os. Turn on your Mac and continue to press and hold the power button until you see the startup options window. Click the gear icon labeled Options, then click Continue.
Intel processor
Make sure that your Mac has a connection to the internet. Then turn on your Mac and immediately press and hold Command (⌘)-R until you see an Apple logo or other image.
Openvpn socks proxy. If you're asked to select a user you know the password for, select the user, click Next, then enter their administrator password.
Reinstall macOS
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Q*bugs mac os. Select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions.
If the installer asks to unlock your disk, enter the password you use to log in to your Mac.
If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.
If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.
Allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.
After installation is complete, your Mac might restart to a setup assistant. If you're selling, trading in, or giving away your Mac, press Command-Q to quit the assistant without completing setup. Then click Shut Down. When the new owner starts up the Mac, they can use their own information to complete setup.
Other macOS installation options
Fat cat casino. When you install macOS from Recovery, you get the current version of the most recently installed macOS, with some exceptions:
On an Intel-based Mac: If you use Shift-Option-Command-R during startup, you're offered the macOS that came with your Mac, or the closest version still available. If you use Option-Command-R during startup, in most cases you're offered the latest macOS that is compatible with your Mac. Otherwise you're offered the macOS that came with your Mac, or the closest version still available.
If the Mac logic board was just replaced, you may be offered only the latest macOS that is compatible with your Mac. If you just erased your entire startup disk, you may be offered only the macOS that came with your Mac, or the closest version still available.
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You can also use these methods to install macOS, if the macOS is compatible with your Mac:
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Use the App Store to download and install the latest macOS.
Use the App Store or a web browser to download and install an earlier macOS.
Use a USB flash drive or other secondary volume to create a bootable installer.