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How To Boot To Disk Utility

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.Dec 21, 2017

Why can’t I find Disk Utility on Mac?

Although the utility is used to manage a crucial hardware component, you won’t find it in the system preferences. Instead, you’ll find Disk Utility tucked away in the applications folder on your Mac.

How do I reinstall Mac without startup disk?

Restart your Mac. 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 access the startup disk on a Mac?

On your Mac, choose Apple menu > System Preferences, then click Startup Disk . If the lock at the bottom left is locked , click it to unlock the preference pane. Click the icon of the disk you want to use, then click Restart.

Why won’t my Mac go into recovery mode?

If the Recovery partition is missing or damaged, Mac won’t boot into Recovery Mode/Command R not working can also happen. In a situation like this, you can use the Mac Internet Recovery to reinstall macOS to make everything goes back to normal.

How do I access Mac Utilities?

On the Mac, they’re found in the Utilities folder inside of the Applications folder. There’s an easy way to get to the Utilities folder: from the Finder, select Go > Utilities to display all of the Utilities currently shipped with macOS (see screenshot below).

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.

Can you reinstall macOS without disk?

To reinstall your Mac’s OS without an installation disc you need to firstly make sure that you keep your Mac turned on during the whole procedure, and that your Mac is connected to the internet. Also, it is advised to make a time machine back up of your computer if possible before following the procedure.

What is EFI boot on Mac?

As you may already know, the EFI System Partition or ESP is a special partition on a Mac from which the initial system boot-time device drivers can be loaded and that was created as a BIOS replacement. This means that if there are issues with the EFI partition, then problems arise.

Can you fix a corrupt 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 do I restore my Mac without recovery mode?

If your Mac is missing a Recovery partition, then you may be able to restore it, by resetting your PRAM. To reset the PRAM, restart your Mac while holding down the ‘Command+Option+P+R’ keys until you hear macOS’ distinctive startup chimes for a second time.

How do you do Command R on Mac?

Command (⌘)-R: Start up from the built-in macOS Recovery system. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the internet.

What is the recovery key on a Mac?

A recovery key is a randomly generated 28-character code that you can use to help reset your password or regain access to your Apple ID. While it’s not required, using a recovery key improves the security of your account by putting you in control of resetting your password.

Can you open a hard drive and fix it?

Hard drive repair is possible, but they should NOT be reused after a recovery! Of course, HDDs can be repaired! However, a repaired HDD should not be reused, but rather, have its contents recovered immediately and then be discarded as it cannot be trusted to work into the future.

How do you reboot an Apple computer?

Normally you can restart your Mac by choosing Apple menu > Restart. However, in some cases—for example, if your Mac becomes unresponsive—you may need to use a different startup method. Press and hold the power button on your Mac until it shuts off. After a moment, press the power button again to start your Mac.

Can you boot from USB on Mac?

Getting your Mac to load from a USB drive is fairly straightforward. Insert the USB boot media into an open USB slot. Press the Power button to turn on your Mac (or Restart your Mac if it’s already on). When you hear the startup chime, press and hold the Option key.

Does a Mac have a BIOS?

Opening BIOS In Mac

Technically, Macbooks don’t come with BIOS, but they have a similar boot firmware called Open firmware or Extensible Firmware Interface. They serve the same purpose as BIOS. You should be extra careful while you are making changes to this interface. One mistake can damage your Macbook permanently.

Does Mac use BIOS or UEFI?

Instead of Macintosh BIOS, there is UEFI — unified extensible firmware interface — that carries out the same functions as those performed by the BIOS on older Windows PCs. These include initializing the hardware and loading the operating system.

How do I restore my MacBook pro to factory settings without Disk Utility?

To do so, shut down your Mac, then turn it on and immediately press and hold four keys together: Option, Command, P, and R. You can release the keys after 20 seconds or so. That’s it!

Does Apple still use recovery key?

The recovery key is now active, and Apple sends email to the address connected to your Apple ID account to confirm that. (An important side note: Make sure that if you lose access to your devices, that you can still pull up the recovery key from somewhere.

What if I dont know my recovery key?

If you don’t know where your Recovery Key is, it’s time to get a new one. (The old one is invalidated.) Go to the Apple ID page, click Manage Your Apple ID, and log in, if you haven’t already. Now you can click the Password and Security item in the left navigation bar, and click Replace Lost Key.

Is Apple Recovery Key a good idea?

I recommend not enabling a recovery key until Apple has fully updated its ecosystem to explain and support the feature. But it goes on to explain that the key now works in a different way. First, if you enable a recovery key, you will need to use it if you ever need to reset your Apple ID password.