Mell How do you reset your hard drive on a Mac?
How to Wipe a Mac Hard Disk Drive (HDD)
- Make sure your Mac is turned off.
- Press the power button.
- Immediately hold down the command and R keys.
- Wait until the Apple logo appears.
- Select “Disk Utility” from the OS X Utilities list.
- Select the disk you’d like to erase by clicking on it in the sidebar.
Why won’t my Mac let me erase the hard drive?
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. You should back up your Mac before trying to erase or reformat it.
Does reinstalling Mac delete everything?
2 Answers. Reinstalling macOS from the recovery menu does not erase your data. However, if there is a corruption issue, your data may be corrupted as well, its really hard to tell. Reinatalling the os alone does not erase data.
How do you delete something on a MacBook Air?
Delete an item from your Mac or iCloud Drive On your Mac, drag the item to the Trash in the Dock or select the item, then press Command-Delete. If an item is locked, click Continue to confirm you want to move the locked item to the Trash.
How do I securely erase my Mac hard drive?
Just shut down your Mac, and then turn it back on. As soon as you hit the power button, hold down Option + Command + P + R on the keyboard. You can release the keys after about 20 seconds. Once done, your final step is to erase the hard drive and reinstall macOS.
Will reinstalling macOS fix problems?
However, reinstalling OS X isn’t a universal balm that fixes all hardware and software errors. If your iMac has contracted a virus, or a system file that was installed by an application “goes rogue” from data corruption, reinstalling OS X likely won’t solve the problem, and you’ll be back to square one.
Will reinstalling macOS speed up my computer?
When Your Mac Is Really Slow You might need to remove some startup programs, run updates on your system, or clean out your storage drive to fix this issue. But if none of these fixes have an effect, reinstalling macOS can likely help speed up your system.
How do you enable the delete button on a Mac?
The delete key on a Mac, however, acts like the backspace key on a Windows keyboard. That is, it deletes the character to the left of the cursor. The delete key on a Windows keyboard does the opposite and deletes the character to the right of the cursor. To perform this maneuver on a Mac, press Function-Delete.
How do you do a hard reboot on a Mac?
When it comes to rebooting your MacBook, softer is better. A hard reboot usually consists of pressing the power button until the computer shuts off, then pressing it again to restart the laptop.
How can I Keep my Mac from restarting?
Install all available software updates.
How do you factory reset a Mac computer?
How to Factory Reset Mac. With all important files securely backed up, you can begin the factory reset process. Plug in your MacBook into the AC adapter, turn it on, and press and hold the Command key and the letter R. You should see the Apple logo appear on the screen, which is your clue that you may release them.
How to force restart MacBook?
If your MacBook, MacBook Air, or MacBook Pro stops responding, here’s how to force restart it: 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. Hold these keys down until your MacBook’s screen goes blank and the computer restarts itself. Once your computer reboots, you’ll need to sign back into your account.