How do I bypass Mac OS X Cannot be installed on this computer?
From the “MacOS could not be installed on your computer” screen:
- Press and hold “option” key and click restart.
- In the “Startup disk selection” screen, use the arrow keys to select your main hard drive (not the MacOS update)
- Wait for your Mac to boot normally.
- Download the latest combo update directly from Apple.
26 дек. 2017 г.
What do I do if I can’t reinstall OS X?
Here is how to boot into Recovery Drive on an Intel Mac:
- Shut down your Mac. …
- Hold down the Command and R keys down and press the Power button.
- Keep holding Command and R until the Apple logo appears on the screen. …
- You should see a screen saying macOS Utilities (or if your Mac is older, OS X Utilities).
1 февр. 2021 г.
Why can’t OS X be installed on Macintosh HD?
Mac OS X can’t be installed on the disk Macintosh HD, because a recovery system can’t be created.
How do I fix unresponsive Mac OS X?
Force Quit with Mac Shortcut
To do the same thing but faster, use Mac shortcut keys to close frozen applications. On your keyboard, press and hold Command + Option + Esc. It will immediately bring up a “Force Quit Application” window. Select the frozen application from the dialogue box and select “Force Quit.”
Why is my macOS not installing?
In some cases, macOS will fail to install because it doesn’t have enough room on your hard drive to do so. … Find the macOS Installer in your Finder’s Downloads folder, drag it to the Trash, then download it again and retry. You may need to force restart your Mac by holding down the Power button until it shuts down.
Why can’t I update my Mac software?
If the Apple Software Update feature is not automatically downloading updates on your Mac, you can manually attempt to download the update, or download a stand-alone update installer from Apple. If the updater application is corrupt, reset your Mac or reinstall the operating system to repair the program.
Can’t reinstall macOS because disk is locked?
Boot to the Recovery Volume (command – R on a restart or hold down the option/alt key during a restart and select Recovery Volume). Run Disk Utility Verify/Repair Disk and Repair Permissions until you get no errors. Then re-install the OS.
How do I reinstall OSX without Internet?
Installing a fresh copy of macOS via Recovery Mode
- Restart your Mac while holding down the ‘Command+R’ buttons.
- Release these buttons as soon as you see the Apple logo. Your Mac should now boot into Recovery Mode.
- Select ‘Reinstall macOS,’ and then click ‘Continue. ‘
- If prompted, enter your Apple ID.
How do I wipe my Mac and reinstall OS?
Select your startup disk on the left, then click Erase. Click the Format pop-up menu (APFS should be selected), enter a name, then click Erase. After the disk is erased, choose Disk Utility > Quit Disk Utility. In the Recovery app window, select “Reinstall macOS,” click Continue, then follow the onscreen instructions.
How do I update my Mac operating system?
Choose System Preferences from the Apple menu , then click Software Update to check for updates. If any updates are available, click the Update Now button to install them. Or click “More info” to see details about each update and select specific updates to install.
How do I restore my Mac to factory settings?
The best way to restore your Mac to factory settings is to erase your hard drive and reinstall macOS. After macOS installation is complete, the Mac restarts to a setup assistant that asks you to choose a country or region. To leave the Mac in an out-of-box state, don’t continue setup.
How do I troubleshoot a Mac slow?
If your Mac runs slowly
- Your computer’s startup disk may not have enough free disk space. …
- An app you’re using may require more memory than your Mac has easily available. …
- Quit any app that isn’t compatible with your Mac. …
- Quit any apps you’re not using.
- If you have problems with your disk, use Disk Utility to verify and try and fix any issues.
How do I unfreeze my Mac mouse?
If it doesn’t work, hold the Power button of your computer until it turns off, and turn it on. Try the key combination Command+Option+Esc to bring up the Force Quit window. Use the up or down arrow keys to select Finder and then the Enter key to relaunch the Finder. See if that will unfreeze the mouse.
Why is my Mac so slow and unresponsive?
Mac is Running Slow due to Lack of Hard Drive Space. Running out of space may not just ruin your system performance—it can also cause the applications you’re working with to crash. That happens because macOS is constantly swapping memory to disk, especially for setups with low initial RAM.