Mac Diagnostic Tool is a free application that allows you to configure your network. On first opening the app, you are immediately greeted with the Centrify configuration and status on the Mac. Many login issues can be quickly determined by a quick check to see if the UID of the user's local home folder matches the UID that the user actually logs into the Mac with. Mac OS Diagnostics The MacOS has great tools for testing hard drives. This program is called First Aid. Always backup your data before running First Aid scans of your hard drive. If there is a bad sector, any data that may have been accessible before running “Repair Disk” will likely become inaccessible once the bad sector is re-allocated.
After isolating an issue on your Mac to a possible hardware issue, you can use Apple Diagnostics to help determine which hardware component might be causing the issue. Apple Diagnostics also suggests solutions and helps you contact Apple Support for assistance.
If your Mac was introduced before June 2013, it uses Apple Hardware Test instead.
How to use Apple Diagnostics
- Disconnect all external devices except keyboard, mouse, display, Ethernet connection (if applicable), and connection to AC power.
- Make sure that your Mac is on a hard, flat, stable surface with good ventilation.
- Shut down your Mac.
- Turn on your Mac, then immediately press and hold the D key on your keyboard. Keep holding until you see a screen asking you to choose your language. When Apple Diagnostics knows your language, it displays a progress bar indicating that it's checking your Mac:
- Checking your Mac takes 2 or 3 minutes. If any issues are found, Apple Diagnostics suggests solutions and provides reference codes. Note the reference codes before continuing.
- Choose from these options:
- To repeat the test, click ”Run the test again” or press Command (⌘)-R.
- For more information, including details about your service and support options, click ”Get started” or press Command-G.
- To restart your Mac, click Restart or press R.
- To shut down, click Shut Down or press S.
If you choose to get more information, your Mac starts up from macOS Recovery and displays a web page asking you to choose your country or region. Click ”Agree to send” to send your serial number and reference codes to Apple. Then follow the onscreen service and support instructions. When you're done, you can choose Restart or Shut Down from the Apple menu.
This step requires an Internet connection. If you're not connected to the Internet, you'll see a page describing how to get connected.
Learn more
If holding down the D key at startup doesn't start Apple Diagnostics:
- If you're using a firmware password, turn it off. You can turn it on again after using Apple Diagnostics.
- Hold down Option-D at startup to attempt to start Apple Diagnostics over the Internet.
At times data stored in Mac’s internal hard drive suffers from data corruption and damage. To rid of such issues, you need to take help from professional disk repair software. In this blog, there is an earnest attempt to list the top five disk repair software for Mac users.
You might have used the Disk Utility functionality of Mac to diagnose and resolve problems encountered in your computer. Disk Utility is an in-built macOS diagnostic tool to rid of basic issues such as hard disk drive directory structure damage, file system permission problem, and so forth. But, the utility lacks comprehensive storage drive management features, repair functionality, and other advanced diagnostic & tech tools that are essential for you to run Mac smoothly. Therefore, you need to use a third-party tool to augment advanced utilities catering to repair, diagnosis, and disk management. The following list of top five Mac disk repair software is an earnest attempt to showcase other enhanced options and use Mac to its fullest.
Best Tools for Mac External Hard Disk Repair
Hdd Diagnostic Tool For Macbook Pro
The top 5 list is as follows:
1. Stellar Data Recovery Technician for Mac (supports macOS Catalina 10.15)
This is the world’s first and only software that recovers corrupt Mac hard disk’s data & repairs your video & photos files. Moreover, the software recovers lost APFS partitions, external hard disks, SSD’s, Time Machine, password-enabled drive and Fusion drives. The latest version of the software creates recovery drive and performs file recovery from non-booting Mac systems.
Leverage this Mac Technician data recovery tool if the storage disk drive has logical corruption and the external drive is unmounted or not showing up on Mac. Stellar Data Recovery Technician for Mac scans the Mac storage disk drive to recover permanently deleted files as well.
Hdd Diag For Mac
You can connect an external hard drive and perform formatted recovery, partition recovery and restore lost data conveniently. The software has a built-in Drive Monitoring utility that monitors the health and S.M.A.R.T. status of your start-up drive. With the Technician version, you can run a Surface Scan to find out the bad-blocks on Mac’s storage disk. Apart from data recovery capabilities, this software also has ‘Video & Photo Repair’ features that fix corrupt or damaged digital files like your favourite video or photos in a few simple clicks.
You can free try this software on your Mac system without the need of an expert.
Explore the Mac data recovery options and download the brochure of Stellar Data Recovery Technician software for detailed information.
2. DiskWarrior
This is a useful disk repair utility for Mac with quite a different repairing functionality, unlike other disk repair tool. The software creates a replacement data basis the original data instead of rebuilding damaged data. Subsequently, the software ensures there is no inaccuracy in creating the new data structure from the original one. The software can also be used as a preventive maintenance utility for Mac storage device. When you execute the software, it rebuilds and optimizes the directory, thereby removing any kind of data structure damage and improving drive performance.
3. Drive Genius:
This is a really beneficial disk utility tool for your Macintosh computer. The tool can be used to repair hard disk drive even if your Mac does not boot; supplementary bootable DVD comes handy to boot your computer from it and launch the tool. Some of the important features of the tool include directory repair, repartitioning, cloning, surface scanning, defragmenting, executing bench tests, performing integrity checks, and above all shredding data (which is generally not a consolidated feature of a repair utility).
4. OnyX
This is a personalization, optimization, and maintenance utility for Mac OS X. The software has advanced features to execute system maintenance, run storage drive diagnostics, configure system hidden features, and delete caches. Its repair utility helps you to repair hard disk drive for errors and inaccessibility. The software is great for up keeping your Mac so that it functions without any glitch.
5. TechTool Protogo
This is quite a good holistic Mac utility that is laden with advanced features. The volume rebuild tool examines, rebuilds, and repairs corrupted directories of hard drives. The utility can help you to create a bootable Mac repair toolbox on your flash drive or external hard disk drive, which can be used in the situation when your Mac does not boot. The software can be used to run diagnostics, repair and recover data, optimize hard disk drive’s performance, defragment the drive, and delete data securely.
Hitachi Hdd Diagnostic Tool
To Sum Up
Now you are aware that the inbuilt Disk Utility tool of your Mac computer is not sufficient to meet your advanced troubleshooting needs. Functionality beyond Disk Utility is a must to get your Mac up and running. The top five Mac disk repair software presented in this blog can be used to repair your hard disk drive for errors, inaccessibility, or system corruption. This 5 software is either free or can be availed as a trial. So, download the trial version of any repair software to recover your hard disk drive. And above, do not forget to give Stellar Data Recovery Technician for Mac a considerate try, as its latest release excels in disk repair capability, appealing GUI, advanced features, and excellent technical support.
Moreover, the software has a price advantage over the other disk repair utilities. Stellar Data Recovery Technician for Mac is 100% Safe & Secure and has a 30-day money-back guarantee if you are not satisfied.