How Do I Restore My Mac Using Disk Utility?

1. In the Disk Utility app on your Mac, choose View > Show All Devices. ...
2. In the sidebar, select the volume you want to restore, then click the Restore button . ...
3. Click the Restore pop-up menu, then choose the volume you want to copy.
4. Click Restore, then click Done.

How do I scan and repair my Mac hard drive?

1. Turn on your Mac and press and hold Command-R.
2. Select Disk Utility from the utilities window and click Continue.
3. Choose View and select Show All Devices.
4. Select your hard disk in the side bar and click the First Air button.
5. Click Run and Continue to repair the hard disk with Disk Utility.

What does first aid do on Mac Disk Utility?

Disk First Aid is a free software utility made by Apple Inc. that was bundled with all computers running the classic Mac OS. This tool verifies and repairs a limited number of directory structure problems on any HFS or HFS Plus hard disk or volume .

Can you fix a corrupted hard drive?

Hard drives may also get corrupt due to file system errors or bad sectors. You can fix a corrupted hard drive by running the CHKDSK command in Command Prompt . Caution: CHKDSK command with /f and /r attributes may fix the corruption in the hard disk.

How does a Mac hard drive get corrupted?

Some common causes of corrupted drives result from power related issues, such as power outages, hardware problems dealing with the hard drive or the RAM on your computer, and manually shutting down the computer if it is not responding .

How do I restore my hard drive?

1. Download and Install Disk Drill for Windows or Mac OS X.
2. Launch Disk Drill recovery software, select the crashed hard disk and click: ...
3. Preview the files you found with Quick or Deep Scan. ...
4. Click Recover to recover your lost data.

How do I reinstall Mac in recovery mode?

1. Restart your Mac. ...
2. As your computer is restarting, hold down the Command + R keys. ...
3. When you are in recovery mode, click Reinstall macOS and then click continue.
4. When the installer window pops up, click Continue.

How do I know if my external hard drive is corrupted Mac?

1. Your Mac can’t read files from it.
2. Your Mac doesn’t recognize the hard drive.
3. An error message like “The disk you inserted is not readable” appears.

What is a corrupted hard drive?

In many cases, a corrupted hard drive can occur as a storage device ages . The reason for these failures is that during operation, or even when the hard drive is not in use, the data can experience degradation. Files then become corrupted and are no longer usable. Data corruption can occur from a sudden loss of power.

Does repair disk on Mac erase data?

No. Disk Utility First Aid only checks and repairs the errors related to a Mac disk’s file system format and directory structure. It cannot erase data on the drive .

Should I run Disk Utility on my Mac?

Use the First Aid feature of Disk Utility to find and repair disk errors . Disk Utility can find and repair errors related to the formatting and directory structure of a Mac disk. Errors can lead to unexpected behavior when using your Mac, and significant errors might even prevent your Mac from starting up completely.

How do I reinstall my Mac startup disk?

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 fix a corrupted hard drive that won’t boot?

1. Restart the computer.
2. Open the BIOS.
3. Select the Boot option from the drop-down menu.
4. Change the order of the options such that the hard disc is the first option.
5. Save these options.
6. Restart the computer again.

How do I fix a corrupted and unreadable hard drive?

1. Change the Location of Inaccessible Files. ...
2. Disable or Uninstall Anti-Virus Software. ...
3. Scan Drive from Disk Properties. ...
4. Perform the Startup Repair of the Disk. ...
5. Perform a Disk Check through CMD on Windows 11/10/8/7.

How do I fix a corrupted hard drive without losing data?

1. Scan Your Computer for Viruses. To scan your computer for viruses, you don’t need to download any third-party antivirus software solution. ...
2. Use CHKDSK to Fix File System Errors. ...
3. Replace Corrupted Files with SFC. ...
4. Recover Your Files with Data Recovery Software.

How do I know if my Mac hard drive is failing?

1. Strange whirring or clicking noises.
2. Overheating.
3. Freezing or stuttering.
4. Sluggish performance.
5. Files or folders disappearing.
6. Files or folders inaccessible.
7. Apps running erratically.
8. Boot up failure.

What causes a hard drive to fail?

There are a number of causes for hard drives to fail including: human error, hardware failure, firmware corruption, media damage, heat, water damage, power issues and mishaps .

How can I recover my hard drive not recognized?

Scenario: Your “HDD not detected” error has to do with the universal serial bus controllers/USB hub or the port connection between your drive and your computer. Step 1 – Make sure the SATA cable or USB cable is tightly connected to the internal or external hard disk drive and SATA port or the USB port on the computer .

How do I reinstall OSX without disc?

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.

What is reinstall OSX?

You can use macOS Recovery, the built-in recovery system on your Mac, to reinstall macOS . macOS Recovery keeps your files and user settings intact when reinstalling. Important: Your computer must be connected to the internet to reinstall macOS.

Does reinstall macOS erase data?

No. Reinstalling macOS does not have to wipe all other data that you have stored . It is often recommended to reinstall macOS on top of the current installation. It is done from the Recovery partition using the same Command-R reboot.