What OS can I install on iMac 2011?
The last compatible version is macOS 10.13. 6 (17G65), High Sierra. How to install Windows 10 on your Mac with Boot Camp Assistant. Note that Boot Camp does not work well, if at all, on APFS formatted drives.
How do I reinstall my iMac 2011?
Reinstall macOS
- Install the latest version of macOS compatible with your computer: Press and hold Option-Command-R.
- Reinstall your computer’s original version of macOS (including available updates): Press and hold Shift-Option-Command-R.
How do I install OSX from startup disk?
Simply plug your created USB drive into an open USB port on your Mac. Power on the system, or restart it if it’s already on. Immediately press and hold the Option (Alt) key on your keyboard when it starts booting. You should now see an option to select your USB drive as a startup disk.
How do I reset my Mac desktop 2011?
After the iMac shuts down completely but before it begins to restart, hold down the Command (⌘) and R keys at the same time. The Mac will display the macOS Utilities menu, from which you can reinstall Mac OS.
How do you boot a Mac from a USB drive?
Step 1: Insert the macOS bootable USB drive on a USB port of Mac computer. Step 2: Shut down the Mac and wait for 1-2 minutes. This will make sure the Mac is powered off. Step 3: Hold the Power and Option key simultaneously for 15 seconds. This will bring up the Startup Manager on Mac.
How to set a Mac to boot from the bootable media?
How to Set the Computer Boot from the Bootable Media. Step 1 Connect your external drive to your unbootable Mac. Step 2 Press down on the ‘Option’ key after restarting your Mac. Step 3 Once the booting has finished, your Mac will display the Startup Manager to show you the available boot drives.
Why do I need an external boot drive for my Mac?
A bootable macOS (previously, OS X) install disk is a portable device containing all the necessary installation files for a selected version of macOS. Why would you want to create an external boot drive for your Mac?
Do you need bootable installer to install Mac OS?
These advanced steps are primarily for system administrators and others who are familiar with the command line. You don’t need a bootable installer to upgrade macOS or reinstall macOS, but it can be useful when you want to install on multiple computers without downloading the installer each time.