Summary: This post will show you solutions to fix the Mac not recognizing internal hard drive issue. Also, you can learn how to recover lost data from unrecoginzable Mac internal hard drive with data recovery software for Mac - iBoysoft Data Recovery for Mac.
Erase usb drive mac. Click on Apply to format USB End the Disk Utility when the process is completed. Choose GUID Partition Table and click OK.6. Change the name to Untitled 1 from Untitled Click on Option.5. Go to Partition tab Select 1 Partition at Partition Layout.3. Step 3: Make USB OS X installerRun OS X installer.DMG download in step 1 to mount it’s virtual hard drive into system Launch Disk Utility, select the right USB in the left side Click pn Restore Drag and drop OS X installer.DMG into Source Drag and drop USB into Destination Click on Restore button.After the restore process is completed, we have obtained the USB stick containing the installer of OS X Lion, Mountain Lion, Mavericks, or Yosemite at your choice.Notice: Once the USB stick should only contain one OS X installer version.
Usually, the internal hard drive is the statup/boot drive for a Mac. It not only loads the operating system but also is responsible for storing data. Therefore, it is frustrating if your Mac doesn't recognize the internal hard drive and you can't access the data on this drive. What's worse, when you want to recover lost data, you find that you don't have any data backup. Luckily, according to your situation, this article will provide 4 feasible solutions for you to fix Mac not recognizing the internal hard drive.
Scenario 1: The internal hard drive can be recognized by Disk Utility
Some people are asking for a way to format a hard drive for Mac. Whether you are trying to backup Mac to an external hard drive, wipe out any personal information and sell the computer, or even use a new operating system, you need to format the hard drive on your Mac or PC. After you install the new hard drive, you will need to boot to the recovery partition on the original drive if OS 10.7 or later is installed. If OS 10.6.8 or earlier is installed, you can use the original OS install discs that came with the computer. I am having also have a problem with my Mac pro 15 Mid 2010. I also replaced my dead 500 GB Sata ATA HD with a new one of same. I reformatted and disc utility now shows OS X Base System 500.1 GB. Under Base system Info it shows File system Mac OS Extended File system UUID. I still cannot reinstall the the High sierra that shows. Install the NEW hard drive back into Mac. Before you do this, there are a couple of screw-in pins that are in the sides of the old hard drive that you will need to hold your new hard drive in place. Use the T8 mini Torx screwdriver to remove them and place them into the sides of the new drive. These will hold your new drive. Jun 08, 2020 Move OS to new hard drive from the old one helps you avoid reinstalling operating system and personal applications. Another important reason of migrating Windows OS is to save time and effort of reinstalling and re-configure systems and applications comparing to clean install. To transfer OS to new drive with the help of OS migration software. Nov 29, 2015 Your Mac will now startup from it’s Recovery Partition that was created on your Mac’s new hard drive. You’ll see a window named OS X Utilities. Choose the Restore From Time Machine option. Click Continue until you’re prompted to Select a Backup Source. Select your Time Machine drive as the source and click Continue.
If your Mac doesn't recognize the internal hard drive, you can check if Disk Utility under Recovery Mode is able to recognize it. This really matters because if you can see the drive but the internal hard drive is not mounted in Disk Utility, your internal hard drive has no hardware problem and you can try the following solutions to fix your issue.
Solution 1: Repair with First Aid in Disk Utility
The issue that Mac doesn't recognize the internal hard drive could be fixed with First Aid under Recovery Mode. macOS Recovery is part of the built-in recovery system of your Mac, from which you can start up and use its utilities to repair certain logical errors of the internal hard drive.
Step 1: Restart your Mac and immediately press and hold Command + R keys to get into macOS Recovery mode, then release the keys when you see the Apple logo.
Mac Os Hard Drive Space
Step 2: Select Disk Utility in macOS/Mac OS X Utilities and click 'Continue'.
Step 3: Select the internal hard drive and run First Aid to check and repair errors in this drive.
Solution 2: Try to boot in Safe Mode
Booting in Safe Mode will check the errors in the directory of your internal hard drive. To boot in Safe Mode, you need to restart the Mac and hold 'Shift' immediately, and release it until you see the login window. When you see a 'Safe Boot' message on the startup window, you can restart the Mac and try to recover data from this internal hard drive.
Solution 3: Recover lost data and erase the unrecognizable internal hard drive
If the internal hard drive is not recognized by your Mac still, then the file system of this internal hard drive could have corrupted. Is there any other way that you can access the data on this unrecognizable internal hard disk? Of course. You can recover lost data from this unrecognizable internal hard disk with Mac data recovery software like iBoysoft Data Recovery for Mac. Then, you can reformat this internal hard drive so that you can use this drive again.
iBoysoft Data Recovery for Mac is professional Mac data recovery software. It can not only recover lost data from a Mac that is unbootable, but also recover documents, photos, emails, music, etc. from formatted/unmountable/inaccessible external drives. This software supports recovering data from encrypted APFS, APFS, HFS+, exFAT, FAT32 drives on macOS Catalina/Mojave/High Sierra/Sierra and OS X 10.11/10.10/10.9/10.8/10.7.
Method 1: If you have only one Mac computer
If you have only one Mac computer, please directly run iBoysoft Data Recovery for Mac in macOS Recovery mode and recover lost data from the unbootable Mac computer. This method is greatly recommended because it is easier and more effective.
Method 2: If you have two Mac computers
Step 1: Download iBoysoft Data Recovery for Mac on another Mac, install and launch it.
Step 2: Click iBoysoft Data Recovery at the upper left corner of Mac menu bar and select 'Create Boot Drive'.
Step 3: Insert a USB drive into the healthy Mac computer.
Step 4: Follow the wizard to create a bootable recovery USB drive.
Mac Os Hard Drive Icon
Step 5: After you have completed creating boot drive, insert this bootable USB drive into the failed Mac and press the Power button and Option key (⌥) to start the MacBook up.
Step 6: Select iBoysoft Data Recovery for Mac from the boot options.
Note: If you're running macOS Mojave or earlier, iBoysoft Data Recovery for Mac will launch immediately when your Mac boots up. But, if your Mac is running macOS Catalina, you need two additional steps to launch this program.
span>Step 7: Wait for your Mac to boot up, open 'Terminal' application from 'Utilities' drop-down menu.
Step 8: Run the following command:
Step 9:Follow the wizard to recover lost data from the internal hard drive.
Step 10: Restart the Mac, press and hold Command + R keys immediately to get into macOS Recovery mode.
Step 11: Select Disk Utility in the Utilities and click 'Continue'.
Mac Os Hard Drive Format
Step 12: Select the internal hard drive and click 'Erase' to reformat this drive.
Step 13: Return to macOS/Mac OS X Utilities in macOS Recovery mode and select 'Reinstall macOS'.
After reinstalling the operating system, this internal hard drive could be showing up again.
Scenario 2: The internal hard drive cannot be recognized by Disk Utility
However, if your Mac can't recognize the internal hard drive, this internal hard drive might have some hardware problems. You can either send it to a local repair store, which could be costly, or say goodbye to this drive and buy a new one.