How do I reinstall Mac after factory reset?

Restart your Mac. Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions. In the Recovery app window, select Reinstall for your macOS release, click Continue, then follow the onscreen instructions.

How do I force my Mac to reinstall?

How to use Internet Recovery to reinstall macOS

1. Shut down your Mac.
2. Hold down Command-Option/Alt-R and press the Power button.
3. Hold down those keys until you a spinning globe and the message “Starting Internet Recovery.
4. The message will be replaced with a progress bar.
5. Wait for the MacOS Utilities screen to appear.

How do I fix a question mark folder on a Mac?

If the question mark persists, follow these steps:

1. Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off.
2. Turn on your Mac and immediately press and hold Command (⌘) and R to start up from macOS Recovery.
3. While in macOS Recovery, use Disk Utility to repair your startup disk.

How do I reinstall my imac?

Install macOS

1. Choose Reinstall macOS (or Reinstall OS X) from the utilities window.
2. Click Continue, then follow the onscreen instructions. You’ll be asked to select your disk. If you don’t see it, click Show All Disks.
3. Click Install. Your Mac restarts after installation is complete.

What is additional component?

Additional Component means a component which is diagnostically useable or therapeutically active alone or in a combination which does not require Compound, and such component does not contain Compound.

How do I download full High Sierra installer?

How to Download the Full “Install macOS High Sierra. app” Application

1. Go to dosdude1.com here and download the High Sierra patcher application*
2. Launch “MacOS High Sierra Patcher” and ignore everything about patching, instead pull down the “Tools” menu and choose “Download MacOS High Sierra”

How do I reinstall Mac OS from USB?

Reinstall macOS Insert the USB drive and power up the machine. Hold the Option key as you do so, then release the Option key when a dark screen appears displaying your bootable volumes. Select the volume for your bootable USB drive, then click the up arrow or press Return. Your Mac will then reboot.

How do I make a bootable USB for Catalina Mac?

Make a bootable installer drive: The quick way

1. Connect your drive to your Mac.
2. Launch Install Disk Creator.
3. In the main window, you’ll see a pop-up menu under Select the volume to become the installer.
4. Under the pop-up menu, you’ll see Select the OS X installer.
5. When you’re ready, click Create installer.

How do I install new Mac OS?

How to install a new copy of macOS Big Sur in Recovery Mode

1. Connect your Mac to the internet via Wi-Fi or Ethernet.
2. Click on the Apple icon in the upper left corner of your screen.
3. Select Restart from the drop-down menu.
4. Hold down Command and R (⌘ + R) at the same time.
5. Click on Reinstall a new copy of macOS.