How do I restore a Mac to its original macOS version?

How do I restore a Mac to its original macOS version?

Reinstall macOS

1. Install the latest version of macOS compatible with your computer: Press and hold Option-Command-R.
2. Reinstall your computer’s original version of macOS (including available updates): Press and hold Shift-Option-Command-R.

How do I restore my 2009 Mac?

After the iMac shuts down completely but before it begins to restart, hold down the Command (⌘) and R keys at the same time. The Mac will display the macOS Utilities menu, from which you can reinstall Mac OS.

How do I boot a Mac into recovery mode 2009?

Here is how to boot into Recovery Drive on an Intel Mac:

1. Shut down your Mac.
2. Hold down the Command and R keys down and press the Power button.
3. Keep holding Command and R until the Apple logo appears on the screen.
4. You should see a screen saying macOS Utilities (or if your Mac is older, OS X Utilities).

How do I factory reset my 2009 iMac without CD?

Select the hard drive on which Mac OS X is installed from the tree list on the left side of the window. Open the “Erase” tab. Select “Mac OS Extended (Journaled)” from the “Format:” drop menu and enter a name for the hard drive in the “Name:” text entry field. Click “Erase…” to clear all of the hard drive’s contents.

How do I reset an old iMac?

To restart a Mac computer, you have three choices:

1. Press the power button (or press Control+Eject) and, when a dialog box appears, click the Restart button.
2. Choose the Apple key and then click Restart.
3. Press Control+Command+Eject (or Control+Command+Power button).

How do I factory reset my 2008 iMac keyboard?

while simulatenouly pressing and holding Windows key + R key on windows keyboard, press and hold the Power button on Mac Mini until MacOS utilities dialog appears. Let go off the keys and power button now. Erase (i.e.) format the disk using Disk Utility option from MacOS utilities dialog.

How do I wipe and reset my iMac?

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 memory and restores certain security features that might have been altered.

How do I wipe an old iMac?

How to Wipe a Mac With an M1 Chip

1. Turn on your Mac and continue to press and hold the power button until the startup options window comes up.
2. When the Utilities window appears, select Disk Utility.
3. In the sidebar, choose Macintosh HD.
4. Click the “Erase” button, then select a file system format and enter a name for it.

Is there a way to recover an early 2009 iMac?

NOTE: That part about macOS Internet Recovery does not work, if this iMac is early 2009. I just found out he got it to install from the disc. Thank you! Q: Erased early 2009 iMac, how to reinstall OS X Snow Leopard from disc?

How to reinstall Mac OS from macOS recovery?

Reinstall from macOS Recovery. 1 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 sets of keys on 2 2. Decide whether to erase (format) your disk. 3 3. Install macOS. See More….

How can I restore my iMac to factory setting?

Choose one partition and use the GUID partition scheme, then format it as Mac OS Extended Journaled and it should then be available for installation of Snow Leopard. You can get replacement System Install & Restore CD/DVDs from Apple’s Customer Support – in the US, (800) 767-2775 – for a nominal S&H fee.

Where can I get a restore CD for my iMac?

You can get replacement System Install & Restore CD/DVDs from Apple’s Customer Support – in the US, (800) 767-2775 – for a nominal S&H fee. You’ll need to have the model and/or serial number of your Mac available. If you’re not in the US, you may need to go through the regional Apple Store that serves your location to find the contact number.