How do I install OSX on a new hard drive?
Briefly press the power button, then immediately hold the option key while your Mac boots up. Keep holding option until a disc appears on the startup selection screen. If your disc never appears, repeat these steps holding the C key instead. Choose to boot up from your OS X installation disc.
How do I reinstall Mac after replacing hard drive?
Enter Recovery (either by pressing Command+R on an Intel Mac or by pressing and holding the power button on a M1 Mac) A macOS Utilities window will open, on which you will see the options to Restore From Time Machine Backup, Reinstall macOS [version], Safari (or Get Help Online in older versions) and Disk Utility.
Can I install macOS on any hard drive?
You can actually install macOS Sierra on an external drive, flash drive, or SD card, then use that device as your macOS system disk wherever you go.
How do I reinstall OSX without losing files?
Option #1: Reinstall macOS without Losing Data From Internet Recovery
- Click the Apple icon>Restart.
- Hold down the key combination: Command+R, you will see the Apple logo.
- Then choose “Reinstall macOS Big Sur” from utilities window and click “Continue”.
How do I install Windows on a new hard drive without the disk?
To install Windows 10 after replacing the hard drive without disk, you can do it by using Windows Media Creation Tool. First, download the Windows 10 Media Creation Tool, then create Windows 10 installation media using a USB flash drive. Last, install Windows 10 to a new hard drive with USB.
How do I reinstall OSX Catalina from USB?
Then follow these steps:
- Use the mouse pointer or the arrow keys on your keyboard to select the disk called Install macOS Catalina in the drive list that appears on the screen.
- Once the USB drive has booted, select Disk Utility from the Utilities window, choose your Mac’s startup drive from the list, and click Erase.
How do I reinstall my Mac without Internet?
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.
How do I make my external hard drive compatible with Mac?
How to format an external drive in OS X
- Connect the drive to the Mac.
- Open Disk Utility. …
- Select the drive you want to format.
- Click Erase.
- Give the drive a descriptive name and leave the default settings: OS X Extended format and GUID partition map. …
- Click Erase and OS X will format the drive.
Can you boot Mac from external hard drive?
Connect the external drive or device to the Mac. Reboot the Mac and after the startup chime hold down the OPTION key during boot until you see the boot selection menu. Click the external volume to boot from it.
Is Mac operating system free?
Apple has made its latest Mac operating system, OS X Mavericks, available to download for free from the Mac App Store. Apple has made its latest Mac operating system, OS X Mavericks, available to download free from the Mac App Store.
How do I restore my Mac from the Internet?
How to use Internet Recovery to reinstall macOS
- Shut down your Mac.
- Hold down Command-Option/Alt-R and press the Power button. …
- Hold down those keys until you a spinning globe and the message “Starting Internet Recovery. …
- The message will be replaced with a progress bar. …
- Wait for the MacOS Utilities screen to appear.