Reinstalling macOS High Sierra on an old iMac

Can't reinstall Mac OS high sierra : r/MacOS - Reddit

1.⁠ Power off, unplug all peripherals except charger. · 2. ⁠Boot holding command-option-r. · 3. ⁠It should ask you to connect to wi-fi. · 4. When ...

Erase and reinstall macOS - Apple Support

Choose Apple menu > Restart, then immediately press and hold Command-R. · In the Recovery app window, select Disk Utility, then click Continue.

reinstalling High Sierra on an old machine - Apple Community

1. Start up from macOS Recovery. To start up from macOS Recovery, turn on your Mac and immediately press and hold one of the following combinations on your ...

Reinstall macOS High Sierra | Mac Help Forums

Enter your password and the download should begin. It will place the installer file in your Applications folder. Once it finishes, it will ...

How to Install macOS High Sierra - iFixit Repair Guide

If you have recently upgraded or replaced the hard drive for your MacBook or iMac, you will need to reinstall macOS onto it. This guide will ...

How To Reinstall macOS On ANY Mac - YouTube

There are several ways that you can reinstall the operating system on your Mac. The best method for you to reinstall macOS depends on your ...

How to: Clean Install macOS High Sierra - YouTube

LOOK BELOW FOR SKIP TIMES AND OTHER LINKS*** SKIP TIMES: PART 1: Checking Prerequisites 0:56 Downloading macOS 2:10 USB Drives 3:13 Opening ...

I'm trying to reinstall OS X High Sierra after wiping clean my Mac but ...

Shift-Option-⌘-R Reinstall the macOS that came with your Mac, or the closest version still available. These modes are the same as Internet ...

How to Reinstall macOS High Sierra or macOS Sierra - OSXDaily

Back up the Mac before beginning · Reboot the Mac and hold down COMMAND + R keys concurrently right after you hear the boot sound, this will boot ...

How to easily install or reinstall macOS Sierra on your ... - YouTube

Do you have a Mac that you want to install macOS Sierra on? Did an operating system update or an update for another program caused the Mac ...

How do I reset my mac os high sierra to factory settings - JustAnswer

Restart your Mac and hold down the Command (⌘) + R keys until you see the Apple logo.This will boot your Mac into Recovery Mode.In the macOS ...

Error while attempting to reinstall macOS Sierra on old Mac Mini

Instead of Cmd ⌘ R , use Shift ⇧ Opt ⌥ Cmd ⌘ R at startup. Erase the entire internal drive as APFS, then install (what I assume with be) ...

How to reinstall an older version of macOS (OS X) on iMac - Quora

To reinstall macOS on your MacBook: · 1. Backup your data. 2. Connect to power. 3. Restart in macOS Recovery Mode (hold Command + R). 4. Choose “ ...

Erased all my drives and now can't install macOS Sierra in recovery

Start the computer and inmediately press Alt+cmd+R. G to Disk utilities. Reformat the disk and re-install the OS.

How to Perform a Clean Install of macOS High Sierra - MacSales.com

Step 1: Backup Your Mac · Step 2: Create a Bootable macOS High Sierra Installer · Step 3: Erase and Reformat the Mac's Boot Drive · Step 4: Install ...

How to clean install macOS on your Mac - Macworld

You should also keep in mind that there are multiple ways to do a clean installation of macOS. Traditionally, the way was to make a bootable ...

How to reinstall macOS High Sierra - MacPaw

Back up your Mac before you begin (just make sure you didn't forget to do it). Click the Apple icon in the top left corner of your screen and ...

Fixed: Can't Reinstall macOS after Erasing in Recovery Mode

Make sure you've erased the whole internal disk correctly · Change the key combination you use to enter macOS Recovery · Check the Mac hard drive ...

How to Wipe Your Mac and Reinstall macOS from Scratch

Alternatively (and for older Mac models), reboot in Recovery Mode either by holding the power button down on boot or holding Command+R when your ...

How to reinstall macOS - Macworld

... High Sierra (depending on your Mac) this will be APFS. But on older Macs running older macOS versions the format needs to be set to Mac OS ...