Repairing Guides

how to repair mac os

by Ford Stroman Published 2 years ago Updated 1 year ago
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How to see My Disk Utility on My Mac

  1. Choose View > Show All Devices (if available) from the menu bar or toolbar in Disk Utility.
  2. The sidebar in Disk Utility should now show each available disk or other storage device, beginning with your startup disk. And beneath each disk you...

Restart your Mac, and press Command + R, while it's restarting. Select Disk Utility from the macOS Utilities menu. Once Disk Utility has loaded, choose the disk you wish to repair - the default name for your system partition is generally "Macintosh HD", and choose 'Repair Disk'.

Full Answer

How do you restore Mac to factory settings?

  • Download Disk Drill.
  • Run Disk Drill: Launch Disk Drill after completing your download in Step 1 to begin, you can do this after dragging Disk Drill to your applications folder.
  • Launch Recovery: Locate the drive you wish to recover from the list and use the “Recover” button to launch an automatic scan. ...

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How to fix a slow or unresponsive Mac?

  • Switch to a lightweight browser. Safari is optimized for Mac, and it tends to offer better performance and lower energy usage than its rivals.
  • Favor Apple’s first-party apps. Like Safari, many Apple apps are optimized for macOS and Apple hardware. ...
  • Be mindful of multitasking. ...
  • Beware of outdated or sluggish software. ...
  • Keep macOS updated. ...

How to reinstall Mac OS without losing data?

Option #2 Reinstall macOS without Losing Data From USB

  • Download the macOS Big Sur install from Mac App Store onto your Mac;
  • Then connect the USB flash drive to your Mac;
  • Open Disk Utility program on your Mac, choose the USB flash drive and click Erase to have a clean drive for the reinstallation;

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How to restore original setting on Mac?

  • Restart your Macbook Pro and launch Disk Utility.
  • Select the disk you’re trying to restore in the left column of Disk Utility.
  • Select the “Partition” tab, then click and drag the resize corner of the partition to make the partition slightly smaller.
  • Click on “Apply,” then follow the steps outlined in Part One of this article to reinstall OS X.

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How do I fix a corrupted macOS?

How to Fix a Corrupted Hard Drive on a MacRepair the Corrupted Hard Drive Using Disk Utility. ... Initiate the FSCK Command. ... Try Free Software to Recover Mac Hard Drive Data. ... Recover from a Time Machine backup drive. ... Hire a hard drive recovery service for Mac.

Can I repair my Mac myself?

"No. Or, yes: you can get technical support, but not for performing repairs yourself that really should be done by a professional. Your MacBook Pro in particular has a built-in battery that you need to be really careful with, as it will affect your warranty.

How do I run a recovery repair on a Mac?

How to Repair a Mac Boot Disk with Disk Utility in Mac OS XReboot the Mac and hold down Command+R to boot into Recovery, or hold down OPTION.Select “Recovery HD” at the boot menu.At the Mac OS X Utilities screen, select “Disk Utility”Select the boot volume or partition from the left menu and click on the “Repair” tab.More items...•

How do I reset my Mac and reinstall OS?

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.

Why is Apple so anti repair?

In May, the Federal Trade Commission specifically called out Apple for ”anti-competitive repair restrictions.” Apple also restricts access to service manuals, and has issued copyright take-down notices when they are posted online [and] tying components to the logic board, which can make repairs uneconomic.

How long does a MacBook last?

We'd say five to eight years, but beware that you probably won't be able to replace any faulty parts in a Mac when more than five years has passed since Apple last sold it. Before you buy a new Mac, read our article about the best time to buy a Mac or MacBook.

How do I boot into recovery mode?

Press and hold down the Volume Down button and keep holding it, then press and hold the Power button as well for a few seconds, and let go when you see the Android mascot on its back on screen.Use the Volume Down button to cycle through the options until you find Recovery mode and press the Power button to load it.More items...•

How do I restore my Mac using Disk Utility?

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

How do I restore my Mac without reinstalling operating system?

You can upgrade your Mac to macOS 12 and try this feature to reset your Mac without reinstalling macOS.Open Apple menu > System Preferences.Select System Preferences from the Apple menu bar.Choose Erase All Content and Settings.Type your admin account password and click OK and Continue.More items...•

How do you install a new operating system on a Mac?

Update macOS on MacFrom the Apple menu  in the corner of your screen, choose System Preferences.In the System Preferences window, click Software Update. ... Click Update Now or Upgrade Now:

How do I do a clean install of macOS Big Sur?

Macintosh HD – Data in Catalina/Big Sur is where your data is stored separately to the macOS installation.Either click on the – button or go to the menu and choose Edit > Delete APFS volume.You will see a message warning you that this will permanently erase your data. Click on Delete. ... Wait while the volume is deleted.

How to get service for my Mac?

How do I get service for my Mac? To get service for your Mac, you can make a reservation at an Apple Store or an Apple Authorized Service Provider. Make sure you know your Apple ID and password before your appointment. Or, if you have a Mac notebook, contact us and we'll send you a box you can use to ship it to an Apple Repair Center.

How long is the Apple Limited Warranty?

The Apple Limited Warranty covers your Mac and the accessories that come with it against manufacturing defects for one year from the date you bought your product. The Apple Limited Warranty is in addition to rights provided by consumer law.

Does Apple warranty cover batteries?

Apple-branded accessories are covered under the Apple One Year Limited Warranty. Our warranty doesn't cover batteries that wear down from normal use. If your accessory's battery is depleted and your warranty has expired, you can replace the accessory’s battery for a fee.

What does it mean when your Mac doesn't boot?

Apple: Startup Manager. If your normal boot volume does not appear, it doesn't always mean the drive is dead or you lost your data. Startup Manager only shows bootable volumes, obviously if your Mac is not booting there is something further wrong with the data on the boot volume. Proceed with the Steps.

What is the at boot command?

The at boot key commands require a built in or wired keyboard and need to be held or pressed down before booting up the machine or after something appears on the screen. They will not work if a firmware password has been applied or if the EFI firmware isn't functioning.

Does the keyboard work on a Mac?

Yes a PC keyboard will work also, the Windows logo key is like the command/Apple key usually as Option/Alt the same . Disconnect all other hardware from the problem Mac. If you have a firmware password, that will have to be disabled first.

What happens when you install MacOS from recovery?

When you install macOS from Recovery, you get the current version of the most recently installed macOS, with some exceptions: On an Intel-based Mac: If you use Shift-Option-Command-R during startup, you're offered the macOS that came with your Mac, or the closest version still available.

What to do if Mac installs won't install?

If the installer asks to unlock your disk, enter the password you use to log in to your Mac. If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.

How to get Apple logo on Mac?

Make sure that your Mac has a connection to the internet. Then turn on your Mac and immediately press and hold Command (⌘)-R until you see an Apple logo or other image.

How many inches is the MacBook Pro?

Apple's MacBook Pro and MacBook Air lineup is seeing all-time low discounts across the board today, including the 2019 16-inch MacBook Pro, 2020 13-inch MacBook Air, and 2020 13-inch MacBook Pro. Note: MacRumors is an affiliate partner with some of these vendors.

Is Apple working on bigger iPads?

Apple is working on even bigger iPad models that could further "blur the lines" between tablet and laptop , according to reliable Bloomberg journalist Mark Gurman. In the first edition of his new "Power On" newsletter for Bloomberg, Gurman said Apple is currently exploring iPads with larger displays for the future. An excerpt from the newsletter:I'm told that Apple has engineers and designers ...

How to fix Mac error?

One simple way to fix such errors is to boot your Mac into Safe Mode. Safe Mode, sometimes called “Safe Boot,” contains an automatic startup check and repair that can fix these problems.

How to check disk for errors on Mac?

It depends which you select in the sidebar. Click “Run” and your Mac will check the disk you selected for errors. If it finds any errors, it will attempt to automatically fix them for you. You can click the “Show Details” drop-down message to view detailed information about any errors it encounters.

How to check if a disk is Macintosh HD?

In the Disk Utility application, select the disk or partition you want to check — the system partition is named “Macintosh HD” by default — and click the “First Aid” button. You can either run the First Aid function on an entire disk, or an individual partition on that disk. It depends which you select in the sidebar.

How to check disk partition?

To launch it, you can press Command+Space to open Spotlight search, type “Disk Utili ty”, and press Enter. Or, you can navigate to your Applications folder, double-click the “Utilities” folder, and double-click the “Disk Utility” shortcut. In the Disk Utility application, select the disk or partition you want to check — the system partition is named ...

Does Mac OS X repair disk permissions?

Modern versions of Mac OS X no longer need you to repair disk permissions. However, that’s not the only issue that can occur with a disk or file system. Mac OS X contains a variety of tools for repairing disk, partition, and file system errors. These options work like chkdsk on Windows, checking for disk and file system errors and repairing them.

Can you check disk health on Mac?

You can perform a disk health check from the Disk Utility application included with Mac OS X. Apple updated this utility’s interface on Mac OS X 10.11 El Capitan, so it’ll look a bit different from the screenshots below if you’re still using and older version of Mac OS X.

How to make sure your Mac is healthy?

The first thing you'll want to do is make sure your Mac's startup disk is healthy. You'll need to use Disk Utility to do that. Click Disk Utility when in macOS Recovery. Click Continue. Click on your Mac's startup drive in the Disk Utility sidebar. It should be the drive at the top of the sidebar if there are multiple drives.

How to erase an SSD drive?

Click Erase. Click the Format drop-down menu. Click on the format you want to use for your drive. If you're running macOS High Sierra or later on a Mac with an SSD, your choices will be some form of APFS. Click Erase. Your drive will proceed to be erased.

Simple Troubleshooting Methods for Our Mac

Before moving into more in-depth troubleshooting methods, let’s take a look at some of the simple and easy stuff that we can do.

Scenario 2 How to Fix Your Mac It if Boots up to a Blank Screen

If you boot up your Mac and you see a blank screen, this is most likely the result of either a hardware or software issue and we can attempt to fix it by following the steps below.

Repair Method 1: Running Disk Utility

If you were able to get your Mac to boo into Recovery mode, you will want to use Disk Utility to repair your hard drive.

Repair Method 2: Recovery Mode

If after using Disk Utility your Mac will still not start up, then it is time to boot your Mac into Recovery mode. Within Recovery mode, we can reinstall macOS.

Saving Your Data From Your Mac

Hopefully, your Mac is now running. If this is the case, it would be best to recover the data from your Mac and put it onto another device. Since our Mac was having issues booting, it could be the result of either a hardware or software issue which if this is the case, could cause further loss of data.

Conclusion

Most of the time, our Macs boot fine with no issues. However, hardware and software issues can occur, and when they do and it’s best to know how to solve them and recover our data.

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