- #How to install mac os on old mac new hard drive how to
- #How to install mac os on old mac new hard drive install
- #How to install mac os on old mac new hard drive password
- #How to install mac os on old mac new hard drive download
Now move the dial up, to randomly write data over your entire drive. You still need to wipe the drive, however, or your files will remain in place, so skip to the end of this step to do so.) (If your Mac has a solid state drive, you can skip this part: your SSD will already securely erase files thanks to TRIM. If you’re wiping a mechanical drive, click “Security Options” in the window that pops up. Click your primary drive, then click “Erase” If not you can find Disk Utility in the menu bar: click Utilities then Disk Utility. To get started, click the Disk Utility option.ĭepending on how you started Recovery Mode, you may be presented with the option to start Disk Utility right away, as seen above.
#How to install mac os on old mac new hard drive how to
We’ve shown you how to securely wipe a hard drive with your Mac, and doing so in Recovery Mode isn’t really different from doing so within macOS. If you want a truly clean installation, however, you need to first wipe your hard drive. We recommend backing up files before you do this, just in case, but otherwise you’re ready for step three. Your user accounts and files will stay exactly where they are-only your operating system will be overwritten. If you want to re-install your operating system, but leave your files in place, you can skip this step. RELATED: 8 Mac System Features You Can Access in Recovery Mode Step Two: Securely Wipe Your Hard Drive (Optional) Once you’ve managed to open up the Recovery Mode in some fashion, we can move on to wiping your drive securely.
#How to install mac os on old mac new hard drive download
You can access recovery without a partition using Network Recovery: hold Command+Shift+R while turning on your Mac and it will download the Recovery features for you. Failing that, you can create a bootable USB installer for macOS Sierra, and boot from that by holding “Option” while turning on your Mac.
#How to install mac os on old mac new hard drive install
![how to install mac os on old mac new hard drive how to install mac os on old mac new hard drive](https://www.m4vgear.com/images/guide/install-macosx-on-external-drive/erase-disk.png)
On an Intel-based Mac, you can use Shift-Option-Command-R during the startup process to be offered the macOS that came with your Mac, or the closest version still available.When you install macOS from Recovery, you'll get the current version of the most recently installed macOS, with some exceptions: When the new owner starts up the Mac, they can use their own information to complete the setup process. If you're selling, trading in or giving away your Mac, press Command-Q to quit the assistant without completing setup. When the installation is complete, your Mac may restart to a setup assistant. Your Mac may restart and show a progress bar several times, and the screen may be empty for minutes at a time. Allow installation to complete without putting your Mac to sleep or closing its lid.If the installer offers you the choice between installing on Macintosh HD or Macintosh HD – Data, choose Macintosh HD.If the installer can't see your disk or notifies you that it can't install macOS on your computer or volume, you may need to erase your disk first.
![how to install mac os on old mac new hard drive how to install mac os on old mac new hard drive](https://i.ytimg.com/vi/8jmm4Op7wjk/maxresdefault.jpg)
#How to install mac os on old mac new hard drive password
If the installer asks to unlock your disk, enter the password you use to log in to your Mac.To start the installation process, select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions.įollow these guidelines during installation:
![how to install mac os on old mac new hard drive how to install mac os on old mac new hard drive](https://support.apple.com/library/content/dam/edam/applecare/images/en_US/osx/mac-prohibit-symbol-screen-icon.png)
Reinstalling macOS won't remove data from your Mac.