How to do a Clean Install of Mac Os Sierra?

How to Perform a Clean Install of MacOS High Sierra

Step 1: Backup Your Mac. As noted, were going to completely erase everything on the Mac.
Step 2: Create a Bootable macOS High Sierra Installer.
Step 3: Erase and Reformat the Macs Boot Drive.
Step 4: Install macOS High Sierra.
Step 5: Restore Data, Files and Apps.

How do I do a Clean Install of my Mac?

Step 1: Format the external drive .
Step 2a: Get the macOS install file.
Step 2b: Get the install file for an older version of macOS.
Step 3: Create a bootable USB disk.
Step 4: Wipe your Mac.

How Clean Install MacOS Sierra from USB?

Use the mouse pointer or the arrow keys on your keyboard to select the disk called "Install macOS Sierra" in the drive list that appears on the screen. Once the USB drive has booted, select "Disk Utility " from the Utilities window, choose your Macs startup drive from the list, and click "Erase".

How do I Wipe my Mac and Install a New Operating System?

Restart your Mac.
While your computer is restarting, press and holding the Command + R keys.
Click Disc Utility and then click continue.
Click View > Show All Devices.
Select your Mac's drive and then click Erase.
Click Erase and fill in the name, format, and Scheme.

How do I Wipe my Mac and Reinstall OS?

Make a fresh backup of your Mac.
Open System Preferences.
Click System Preferences in the menu bar > Erase All Contents and Settings.
Follow the prompts to fully erase your Mac.

How do I Factory Reset my Mac High Sierra?

Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P and R. Release the keys after about 20 seconds. This clears user settings from the memory and restores certain security features that may have been altered.

How to Download and Install MacOS Sierra

Go to this link or through the App Store to get to the download page.
Click "Download" and wait while it downloads.
Click Continue in the macOS installer.
Agree to the terms and conditions.
Click Agree in the popup box.
Click Install when it shows your boot drive.

How do I Install Sierra on an Old Mac?

Prepare your USB drive . Insert the USB drive; Open Disk Utility.
Use MacOS High Sierra Patcher. Open MacOS High Sierra Patcher; ...
Install Mac OS High Sierra. Install MacOS normally and boot back into the installer drive;

Can I Still Download MacOS Sierra?

Yes, Mac OS High Sierra is still available to download. I can also be downloaded as an update from the Mac App Store and as an installation file. Compatibility is very similar to Mac OS Sierra and requires a Mac from late 2009. There are newer versions of the OS available too, with a security update for 10.13.

Why is MacOS Sierra not Installing?

If your Mac crashes or becomes unresponsive while installing macOS Sierra , then there are a few things you can try to fix the problem. Boot your Mac into Safe mode, then try installing macOS Sierra again. It might also be worth switching from a WiFi connection to a wired connection before you download and install.

How do I Wipe my Mac and Reinstall from Scratch?

Power down your Mac if it's on.
Press and hold the power button to turn it on and continue to hold it until you see the startup options.
Choose macOS Recovery.
Select Reinstall macOS.
Follow the prompts.

How do I Install Sierra on my Mac?

MacOS Sierra is available as a free update via the Mac App Store. To get it, open the Mac App Store and click the Updates tab. MacOS Sierra should be listed at the top. Click the Update button to download the update.