How to see My Disk Utility on My Mac
- Choose View > Show All Devices (if available) from the menu bar or toolbar in Disk Utility.
- 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...
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How do I boot my MacBook Pro?
Part 1: How to Boot Mac from USB Drive/CD/DVD
- Turn on your Mac.
- As soon as the startup music begins you need to press and keep holding the "Option" key.
- After that release that key, the Startup manager will be launched.
- Startup Manager will begin scanning your device and you will be provided with a list of devices that are connected to your Mac.
How do I fix my MacBook Pro?
[MiniTool Tips]
- Solution 1: Force Restart Your Mac Computer. At times, the issue of iMac/iMac Pro/MacBook Air/MacBook Pro stuck on white screen is just caused by some temporary issues on your Mac.
- Solution 2: Check the Connected Hardware. ...
- Solution 3: Use Safe Mode. ...
- Solution 4: Reset PRAM/NVRAM. ...
- Solution 5: Use Disk Utility. ...
- Solution 6: Reinstall macOS. ...
How to repair a Mac disk with Disk Utility?
How to repair a Mac disk with Disk Utility
- Open Disk Utility. In general, you can just open Disk Utility from the Utilities folder of your Applications folder. ...
- Select your disk in Disk Utility. Choose View > Show All Devices (if available) from the menu bar or toolbar in Disk Utility. ...
- Repair volumes, then containers, then disks. ...
How do you repair a hard drive on a Mac?
In that case, follow these steps:
- Shut down your Mac, then unplug all nonessential devices from your Mac.
- If you're repairing an external drive, make sure that it's connected directly to your Mac using a cable that you know is good. ...
- If your disk still doesn't appear in Disk Utility, your Mac might need service. If you need help, please contact Apple Support.
How do you fix a corrupted disk on a Mac?
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. ... 🔌 Shut Down Your Mac Safely. ... ⚡ Prevent Spills and Exposure.More items...•
What does it mean to repair disk on Mac?
Disk Utility can check for and fix errors related to the formatting and directory structure of a Mac storage device. Disk Utility can fix certain disk problems—for example, multiple apps quit unexpectedly, a file is corrupted, an external device doesn't work properly, or your computer won't start up.
How do I repair my disk?
Non-System VolumePress "Windows-E" from the desktop to open File Manager. ... Select "Properties" from the context menu, click the "Tools" tab and then click the "Check" button under Error Checking.Click "Repair This Drive" when the scan completes to fix the device errors.
Does repairing a disk erase it Mac?
No, but the damage may be so severe that it can't be repaired. You could already have data loss. It's also possible that a repair of a badly-damaged disk could result in data loss, such as if the failure is a hardware issue and the repair causes it to fail completely.
What does repairing disk mean?
Why might a “repairing disk errors” message appear? You may get the “repairing disk errors” message if your boot disk is unable to boot the computer due to some possible errors. Typically, this error occurs when you forcibly shut down the computer or if the main hard drive is faulty; e.g., it has bad sectors.
How do I restore a disk on a Mac?
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 reinstall my Mac startup disk?
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'.
How do I fix a failed hard drive?
How to Fix Hard Drive FailureClean Out the Computer Vents. Over time, dust and debris will visibly clog up the vents on your computer. ... Check the Power and Data Cables. Your hard drive has power and data cables that connect to it from the computer power supply and motherboard. ... Check Your Bios. ... Listen for Sounds.
How do I fix an unreadable hard drive?
5+ Fixes for "The Disk Structure Is Corrupted and Unreadable" Error#1. Unplug and Re-plug the Corrupted/Unreadable Device.#2. Check and Repair Disk Error via CHKDSK.#3. Reinstall Disk Drivers.#4. Format Drive.#5. Recover Data.
How do I fix a corrupted external hard drive without formatting Mac?
How to Recover Files From an External Hard Drive Without FormattingDownload and install Disk Drill. ... Ensure your drive is plugged into the computer. ... When the scan has finished, click Review found items.Scan the recoverable data for any items you want to recover. ... Specify where you want to recover the files.More items...•
Why is there no startup disk on my Mac?
There are several reasons why your Mac may not be able to detect the startup disk. It can be either software or hardware issues. To minimize that possibility, Mac users should run regular maintenance for their Macs to keep top-level performance.
How do I free up my Mac startup disk?
How to free up space on your Mac startup diskEmpty the Trash and Downloads folder. ... Get rid of Time Machine snapshots. ... Delete old iOS and iPadOS backups. ... Uninstall apps you don't use anymore. ... Upload or export your largest files. ... Find and remove duplicate files. ... Clean up unnecessary system files.
How do I get my Mac out of recovery mode?
How to Get Out of Recovery ModeRestart Your Mac.Create a New User Account.Reset Your PRAM and NVRAM.Reset the System Management Controller.Erase and Install OS X.
When I turn a question mark on my Mac?
A folder with a flashing question mark means that your startup disk is no longer available or doesn't contain a working Mac operating system.
Will First Aid on Mac erase files?
Does First Aid erase data? No. Disk Utility First Aid only checks and repairs the errors related to a Mac disk's file system format and directory structure. It cannot erase data on the drive.
Is there a way to fix a corrupted hard drive on a Mac?
Several disk utilities and third-party software tools can help you fix a corrupted hard drive on a Mac. Depending on your unique situation, some or...
How did my hard drive get corrupted on a Mac?
Most Mac corruption issues occur because of unexpected power failures, physical damage, RAM problems, and hardware failure. Malware can also creat...
How do I fix a corrupted hard drive that won’t boot?
You must initiate a repair process through Mac to restore a corrupted hard drive. Disk Utility apps and free third-party solutions can accomplish t...
How do I fix a corrupted hard drive on a Mac?
You can fix a corrupted hard drive by recovering missing or deleted files using data recovery software and the following procedure. Download and in...
How do I know if my Mac hard drive is corrupted?
The signs that your Mac’s hard drive is corrupted include: Applications respond inconsistently or suddenly quit; Files won’t open; You can’t move f...
How do I restore my Mac hard drive?
To restore a Mac hard drive after formatting it or deleting all its files, use the following procedure. Download and install Disk Drill for Mac on...
How much does it cost to fix a Mac hard drive?
The cost of fixing a Mac hard drive varies depending on the type of damage the device has experienced. Logical data loss due to accidental file del...
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 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 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 repair a disk on Mac?
To check and repair a disk, you need to run First Aid on each volume and container on the storage device in turn, then run it on the storage device itself. If Disk Utility tells you the disk is about to fail, back up your data and replace the disk—you can’t repair it. Open Disk Utility for me. In the Disk Utility app on your Mac, choose View > Show ...
What to do if Disk Utility can't repair your disk?
If Disk Utility can’t repair your disk, or you receive a report that the First Aid process failed, try to repair the disk or partition again. If that doesn’t work, back up as much of your data as possible, reformat the disk, reinstall macOS, then restore your backed-up data.
Can disk utility fix a disk?
Disk Utility can’t detect or repair all problems that a disk may have. To check and repair a disk, you need to run First Aid on each volume and container on ...
How to repair a corrupted hard drive on a Mac?
How to Fix a Corrupted Hard Drive on a Mac. 1. Repair the Corrupted Hard Drive Using Disk Utility. 2. Initiate the FSCK Command. 3. Try Free Software to Recover Mac Hard Drive Data. 4. Recover from a Time Machine backup drive.
How to recover information from a corrupted hard drive?
1. Repair the Corrupted Hard Drive Using Disk Utility. After discovering the corrupted hard drive, you can repair it through the Terminal. Once you open it, type in this command:
How to turn off Mac for the day?
When it is time to turn your Mac off for the day, go to the Apple menu at the top left to initiate the command. If you need the computer to sleep, you’ll find that option available in the same location.
Can you revert to a previous version of Time Machine?
If you use Time Machine on Mac, you can revert to a previous version to eliminate the corrupted files. This method works if you have a saved disk image that doesn’t contain the problem. Here’s what you need to do: Connect your Time Machine backup disk if it’s not already connected to your Mac.
Can malware cause a corrupted hard drive?
Malware can also create corruption problems on a Mac hard drive. These factors can adversely impact any external drives you have connected to the Mac, which means each one may need to be searched, scanned, and repaired before full functionality gets restored.
Can you use Time Machine to restore a Mac?
Whether you use Time Machine or a third-party tool to create an image of your drive, it is critical to keep at least one copy of your files and folders. If something happens, you can use this compressed storage medium to restore your Mac.
Can you use Disk Drill on Mac?
Software tools like Disk Drill for Mac are useful when First Aid and Time Machine won’t work or are unavailable. You can also use third-party free tools to get the results you want. A corrupted drive won’t fix itself. If you take these steps today, you can get your Mac running better faster than you might realize.
How to Use Mac Disk Repair Utility?
If Mac OS X startup has failed, running risk repair is the best solution for bringing your computer back to life. However, on macOS Sierra/High Sierra, you can run a disk check for errors:
How to Repair Mac Disk Permissions?
When running a disk repair procedure on your MacBook Air/Pro or iMac, repairing disk permissions is also a good idea. The above applies to the Mac OS X versions before El Capitan. As for macOS Sierra and High Sierra, these OS versions no longer include disk permissions repair.
What to Do If Disk Utility Fails?
In the event the Disk Utility failed to repair the directory corruption it has discovered, follow the below troubleshooting instructions:
What to do if Disk Utility can't repair a disk?
However, it can’t fix everything. So the first thing you should do if Disk Utility can’t repair a disk is to back it up. That way, if it fails, you won’t lose your data. CleanMyMac X has a number of tools that can keep your disk running smoothly and reduce the chance of problems occurring.
How to boot Mac in recovery mode?
To boot in Recovery Mode, restart your Mac and hold down Command-R. Go to Applications > Utilities and double-click Disk Utility to launch it. In the top left corner of the window, click View and choose View all devices. In the sidebar, select a disk or volume. Click First Aid. Press Run then Continue .
How to check disk permissions on Mac?
To open it, press Command + Space to open Spotlight search, type Disk Utility, and press Enter. Select your Mac’s system partition — generally “Macintosh HD.”. Click the Verify Disk Permissions button if you’d like to check your permissions for problems. Click Repair Disk Permissions to check for problems and automatically fix them.
Should I repair my permissions on my Mac?
If you’re not having trouble with your Mac, you shouldn’t need to repair permissions.
Is it safe to repair file permissions?
There are many problems that can be caused by incorrect — or “damaged” — permissions. Repairing your file permissions is also a safe operation. The repair process shouldn’t cause any problems.
