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Why is erase greyed out on Disk Utility on my Mac?
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 I force my Mac to erase?
Choose Apple menu > Restart, then immediately press and hold Command-R. In the Recovery app window, select Disk Utility, then click Continue. In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar.
How do I fix Macintosh HD greyed out in Disk Utility?
Step 1: Boot your Mac into macOS Recovery mode. Step 2: Select Disk Utility from macOS utilities and click Continue. Step 3: Select the greyed-out Macintosh HD and click First Aid on the top of the Disk Utility window. Step 4: Wait until the process is done and click “Complete”.
How do I factory reset my macbook Big Sur?
If you haven’t upgraded already, it’s easiest to factory reset a Mac that’s running Monterey.
- Make a fresh backup of your Mac.
- Open System Preferences.
- Click System Preferences in the menu bar > Erase All Contents and Settings.
- Follow the prompts to fully erase your Mac.
How do I erase a disk from the terminal Mac?
To erase a disk from the command line on the Mac, we’ll use the familiar “diskutil” command with the eraseDisk verb and other appropriate flags to specify options for how we want to erase the disk, and to identify which disk is to be erased.
How do I reset my Mac when Command +R isn’t working?
How to enter Recovery when Command+R doesn’t work
- Step 1: Try again. The first thing to try is to restart your Mac and press Command and R again as you boot up.
- Step 2: Check your keyboard.
- Step 3: Make sure you are using the right Recovery command on an M1 Mac.
- Step 4: Try alternative Recovery options for Intel Macs.
How to fix grayed out in Disk Utility on Mac?
After recovering data from the Macintosh HD that’s greyed out in Disk Utility, you can follow the following steps to fix this issue. Step 1: Boot your Mac to macOS Recovery mode and select Disk Utility from the macOS Utilities menu. Step 2: Select the unmountable Macintosh HD from the side bar. Step 3: Click Erase from the top.
How to erase a hard drive in Windows 10?
Disk Utility has a First Aid feature that fixes all kinds of issues related to your drives: slow performance, corrupt files, or unexpected behavior. When you run First Aid, it scans the entire disk for errors and lets you know if there are any it can’t repair. Open Disk Utility and select the drive you want to erase from the sidebar.
How do I delete or reformat a drive in Disk Utility?
Spotlight is the quickest way to open Disk Utility. In the sidebar, select the drive you want to erase or reformat. Click the Erase button at the top of the window. Disk Utility presents several tools at the top of the window. Choose a new name and format for your drive, then click Erase . Decide what to name your drive after erasing it.
How to erase the startup disk on a Mac?
The startup disk is the main hard drive on your computer: the one that stores macOS and all your data. It’s not usually possible to erase the startup disk because your Mac is using it to run macOS. Recovery Mode is a special partition on your Mac you can use to restore from a backup, reinstall macOS, get online support, or erase your startup disk.