How do you fix a hard drive that won’t mount?

How do you fix a hard drive that won’t mount? 

Troubleshooting external hard drives that will not mount
  1. Relaunch the Finder.
  2. Change the port.
  3. Plug in power adaptor (if available).
  4. Avoid daisy-chaining.
  5. Try a different connection type.
  6. Run general maintenance.
  7. Drive problems.

How do I force a disk to mount on a Mac? 

Can not mount disk Mac? 

Start with the basics:
  1. Check whether the drive is properly plugged in.
  2. Faulty cable.
  3. Damaged USB or flash drive port.
  4. Reboot your Mac.
  5. Incorrectly formatted drive.
  6. Mac not formatted to display external drives on the desktop.
  7. Reset NVRAM.
  8. Check Apple’s Disk Utility to see if an external drive is showing up.

Why won’t Macintosh HD erase? 

If you are trying to format the Mac hard drive or its volumes – Macintosh HD and Macintosh HD – Data, you will inevitably see the Erase button grayed out in Disk Utility. That’s because you can’t erase the drive you are currently running from, and you need to boot into Mac Recovery mode to format the Mac startup disk.

How do you fix a hard drive that won’t mount? – Related Questions

How do I completely wipe my Mac?

Use Erase All Content and Settings in System Preferences

From the Apple menu  in the corner of your screen, choose System Preferences. From the System Preferences menu in the menu bar, choose Erase All Content and Settings.

How do I reinstall Macintosh HD?

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.

Can’t install macOS from recovery?

If that doesn’t work, you will need to reinstall macOS from the Recovery partition.
  1. Shut down your Mac.
  2. Start your Mac while holding down Command-R.
  3. When it boots, choose Disk Utility from macOS Utilities.
  4. Select First Aid and confirm you want to run it.
  5. Disk Utility will scan your disk for problems and fix them.

How do I reinstall macOS Big Sur?

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.

How do I factory reset my Mac Big Sur?

If you haven’t upgraded already, it’s easiest to factory reset a Mac that’s running Monterey.
  1. Make a fresh backup of your Mac.
  2. Open System Preferences.
  3. Click System Preferences in the menu bar > Erase All Contents and Settings.
  4. Follow the prompts to fully erase your Mac.

How do you hard reset a MacBook pro?

How to Hard Reset MacBook Air or MacBook Pro
  1. To force a restart your MacBook, you need to press and hold down the Command (⌘) button, the Control (Ctrl) key, and the power button at the same time.
  2. Hold these keys down until your MacBook’s screen goes blank and the computer restarts itself.

How do I uninstall Big Sur from Mac?

Here’s how to downgrade from Big Sur to Catalina by removing macOS 11 from your hard drive:
  1. Click on the Apple logo and select Restart from the menu.
  2. Hold down Command + R to reboot in Recovery mode.
  3. Open Disk Utility > Continue.
  4. Select your Startup Disk > Erase.
  5. Select APFS or macOS Extended format and confirm your action.

How do I reset my Mac desktop to factory settings?

Turn on your Mac 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 reset my Mac to factory settings without a password?

If you still can’t reset your password, erase your Mac

When you’re asked to select an admin user you know the password for, choose Erase Mac from the Recovery Assistant menu in the menu bar. From the Erase Mac window, click Erase Mac, then click Erase Mac to confirm.

How do I factory reset my Mac desktop 2011?

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 you do a hard reset on an imac?

How to Force Restart Your Mac. Press and hold down the Command (⌘) and Control (Ctrl) keys along with the power button (or the ‌Touch ID‌ / Eject button, depending on the Mac model) until the screen goes blank and the machine restarts.

How do I do a soft reset on my iMac?

Choose Apple menu > Shut Down. After your Mac shuts down, press and hold its power button for 10 seconds. Release the power button, then wait a few seconds. Press the power button again to turn on your Mac.

How do I fix a Mac startup problem?

Try these suggestions.
  1. Restart your Mac in safe mode.
  2. Check your login items to learn if any of them are incompatible.
  3. Use the Disk Utility app on your Mac to repair your startup disk.
  4. Back up your disk, then reinstall macOS.
  5. Use macOS Recovery, part of the built-in recovery system of your Mac.

How do I boot a Mac in Safe Mode?

Press and hold the power button on your Mac until “Loading startup options” appears. Select a volume. Press and hold the Shift key, then click Continue in Safe Mode. The computer restarts automatically.

Why is my Mac in recovery mode?

If your MacBook is stuck in Recovery Mode, it’s possible that there’s a problem with your storage disk. To fix it, you need to repair it by doing as described above. In addition to using the Disk Utility, you can recover your files with specialized software such as Disk Drill in a matter of minutes.

Does Mac recovery mode erase data?

No, Recovery Mode does not delete everything on Mac – at least by itself. It is just a state or mode that lets users access special tools, but it does not do anything by itself. However, there are certain tools that can delete data on your Mac, namely: Time Machine.

How do I start my Mac in Disk Utility mode?

To access the Disk Utility on a modern Mac—regardless of whether it even has an operating system installed—reboot or boot up the Mac and hold Command+R as it boots. It’ll boot into Recovery Mode, and you can click Disk Utility to open it up. In Recovery Mode, macOS runs a special sort of recovery environment.