How do I restore my Mac OS X Lion?

Restart your computer, and immediately hold down command-r until the gray Apple logo appears. If prompted, select your main language and then click the arrow. Click Reinstall OS X, and then Continue. Follow the instructions on the screen, and then choose your hard disk.

How do I restore my Mac OS X Lion to factory settings?

OS X 10.7 (LION) OR LATER

Restart your Mac and hold down the Command + R keys until the Apple logo appears. From there, you’ll see an OS X Utilities window with the aforementioned options listed. Select Disk Utility and erase your HD, just as instructed to do in the first section of this article.

How do I reinstall OS X Lion without CD?

Reinstall Your Mac’s OS Without an Installation Disc

1. Turn your Mac on, while holding the CMD + R keys down.
2. Select “Disk Utility” and click on Continue.
3. Select the startup disk and go to the Erase Tab.
4. Select the Mac OS Extended (Journaled), give a name to your disk and click on Erase.
5. Disk Utility > Quit Disk Utility.

21 апр. 2020 г.

How do I reinstall OS X Lion from recovery partition?

Turn on the Mac and immediately press and hold down both the Command key and the R key. This instructs the computer to startup from the Recovery Partition. Once you see the Apple logo appear in the middle of the screen you can release the Command and R keys. Your Mac is now starting up in Recovery Mode.

How do I uninstall and reinstall OS X Lion?

In this case, you can erase your hard drive, reinstall Lion, and then restore from your backup. To accomplish this, boot from Recovery HD and select Disk Utility’s Erase option. Next, select the Reinstall OS X option. This will reinstall OS X 10.7.

How do I restore my old MacBook to factory settings?

Factory reset

You need to put your MacBook ($685 at Back Market) into recovery mode in order to erase all of your data and reinstall MacOS. To enter recovery mode, restart your Mac and immediately press and hold Command-R. You can release the keys when you see the Apple logo.

How do I factory reset my iMac g4 without CD?

Restart the iMac and hold the “Command-R” keys while the computer reboots. Select and connect to a Wi-Fi network from the list if the iMac prompts you to do so. Choose the “Disk Utility” option from the list and click “Continue.”

Can I reinstall macOS without Apple ID?

If you install the OS from a USB stick, you don’t have to use your Apple ID. Boot from the USB stick, use the Disk Utility before installing, erase your computer’s disk partitions, and then install.

How do I reinstall OSX without USB?

Tutorial

1. Restart your Mac, or power it on, while holding down the Command + R key combination.
2. Release the Command + R key combination once you see the Apple logo on display. …
3. Once you see a window like the one below, click on Disk Utility and Erase your main Mac HDD (or SSD).

31 окт. 2016 г.

How do I reinstall OSX without Internet?

Installing a fresh copy of macOS via Recovery Mode

1. Restart your Mac while holding down the ‘Command+R’ buttons.
2. Release these buttons as soon as you see the Apple logo. Your Mac should now boot into Recovery Mode.
3. Select ‘Reinstall macOS,’ and then click ‘Continue. ‘
4. If prompted, enter your Apple ID.

How do I reinstall OSX without recovery mode?

The spinning globe of hope. Start up your Mac from a shut down state or restart it, then immediately hold down Command-R. The Mac should recognize that there’s no macOS Recovery partition installed, show a spinning globe. You should then be prompted to connect to a Wi-Fi network, and you enter a password.

How do I reinstall Mac from scratch?

Select your startup disk on the left, then click Erase. Click the Format pop-up menu (APFS should be selected), enter a name, then click Erase. After the disk is erased, choose Disk Utility > Quit Disk Utility. In the Recovery app window, select “Reinstall macOS,” click Continue, then follow the onscreen instructions.

How do I reinstall Mac OSX recovery?

Start up from macOS Recovery

Select Options, then click Continue. Intel processor: Make sure that your Mac has a connection to the internet. Then turn on your Mac and immediately press and hold Command (⌘)-R until you see an Apple logo or other image.

How do I restore factory settings on my MacBook air?

How to reset a MacBook Air or MacBook Pro

1. Hold down the Command and R keys on the keyboard and turn on the Mac. …
2. Select your language and continue.
3. Choose Disk Utility and click continue.
4. Choose your startup disk (named Macintosh HD by default) from the sidebar and click the Erase button.

Does reinstalling macOS delete everything?

Reinstalling Mac OSX by booting into the Rescue drive partition (hold Cmd-R at boot) and selecting “Reinstall Mac OS” does not delete anything. It overwrites all system files in-place, but retains all your files and most preferences.