Try to start up from macOS Recovery
If your Mac seems to be turned on but nothing is appearing on your display, determine whether you're using a Mac with Apple Silicon, then follow the appropriate steps: Catch your chance mac os.
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Apple Silicon
If you've only got a 32-bit Mac then you're already stuck on Mac OS X 10.6. Another dimension heroes mac os. Even some early Core 2 Duo models (late 2006 iMac) look to be limited to 10.7. Yes, that's 12 years ago, with very.
- Press and hold the power button for about 10 seconds.
- You should see the startup options window, which includes a gear icon labelled Options. Select Options, then click Continue.
- If the startup options window doesn't appear, release the power button, then press and hold it again for another 10 seconds. If the issue persists, please contact Apple Support.
Intel processor
- These empty disk images range from 3GB HFS formated (appropriate for Mac OS 6, 7 or 8.0) up to 32GB HFS+ formated (Mac OS 8.1, 9 or early Mac OS X). Note: Please be patient when extracting these blank disk images, as your hard disk has to write the whole space (up to 30GB) so it might take a couple minutes depending on your computer specs.
- Global Nav Open Menu Global Nav Close Menu; Apple; Shopping Bag +.
- 32-bit boot ROM is source of trouble I have a Mac Pro 2,1 and I am stuck on Snow Leopard. The reason is that for a while Apple shipped the operating systems with both a 32-bit and a 64-bit version of the kernel. The Mac Pro 2,1 will never be able to run the 64-bit kernel because the EFFI32 boot rom just won't do it.
- Mac OS X Since July 5, 2016, BleachBit runs on Mac OS X (a.k.a. Darwin) in command line mode thanks to code contributed by brahmastra2016 and MattHardcastle. It has not been extensively tested, and graphical interface may not work.
- Press and hold the power button for about 10 seconds.
- Press and release the power button, then immediately press and hold Command (⌘)-R until you see an Apple logo or other image.
- If you still see a blank screen after about 20 seconds, contact Apple Support.
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Use Disk Utility to repair your startup disk
If your Mac started up successfully from macOS Recovery, you should see a utilities window that includes Disk Utility. Use Disk Utility to repair your startup disk.
If Disk Utility found no errors, reinstall macOS.
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If Disk Utility found errors and repaired them, restart your Mac. If the issue returns after you've restarted your Mac, reinstall macOS.
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If you still need help, please contact Apple Support.
