Summary: Internal hard drive not showing up on Mac can make your files inaccessible and make your Mac unbootable. This post will help you fix unrecognized internal hard drive without data loss.

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The internal hard drive of your Mac, also known as Macintosh HD or startup disk, is used to store operating system directory and other data, supporting computer to work in a normal manner. It could be SSD, yet the internal hard drive may not show up on the Mac, Finder or Disk Utility, stoping you from accessing your data or booting your Mac up.

I would like to get back to OSX and I have decided to upgrade my harddrive to an SSD.The question is how can I do it. Can i install latest mac os on ssd drivers. I decided to move onto Linux and I have formatted the complete hard drive and installed Linux on it. I have a late 2012 mac mini whose hardrive was causing me lot of issues.

Fortunately, there are some means to fix the internal hard drive not showing up issue. Basically, it depends on if you can boot the Mac when internal hard drive is not showing up.

Case 1: The internal hard drive is not showing up but Mac boots up

If you can't see the internal hard drive but you can start and use your Mac normally, the good news is that your macOS volume (which usually is the Macintosh HD) is working fine. To access other files on the internal hard drive normally, you can try the following solutions.

Solution 1: Change the Mac's settings to show the internal hard drive

If your Mac computer works in a normal state but the internal hard drive is not showing up in Finder or on desktop. This is because the system is not set up to display hard drives in Finder or on desktop. Here are some simple fixes for this:

1. Go to Finder > Preferences > General tab and select 'Hard disks' to make internal hard drives show on the desktop.

It should only take a minute or two for the drive to be erased and reformatted. Now your drive is ready for OS X. Install OS X. There are two ways you can install OS X on to your external hard disk: by reinstalling OS X from the OS X Utilities repair screen or by downloading OS X. Mac os x ntfs external hard drive. Mar 15, 2018 Most Mac users will be better off formatting external drives with exFAT, ensuring they work well on both Windows and Mac OS X without any extra work. If you must write to an NTFS drive, one of the paid, third-party drivers will be the easiest option. Feb 08, 2020 The problem is that on macOS, you can’t work with files saved on an NTFS drive unless you use a paid app like Paragon NTFS for Mac. How to Format an External Drive for Mac (from NTFS to Mac OS Extended) Note: The tutorial and screenshots below are based on macOS Sierra 10.12.5. They might be different if your Mac has a different version. Jun 11, 2013 How to manually enable NTFS read and write in OS X. Do you have an external hard drive formatted to NTFS that you would like to use with your Mac?

2. Go to Finder > Preferences > Sidebar tab and select 'Hard disks'. Then your internal hard drive should be showing up in the Finder.

Instead, if the Mac doesn't display your external hard drive, you can check 'External disk' in this tab also to make it visible.

3. If the 'Hard disks' option is ticked but internal hard drive is not showing up in the Finder still, open the Finder, put your mouse at Locations in the left sidebar and see if it displays 'Show' or 'Hide'. Click and change to identify if your internal hard drive is hidden by the Finder.

Solution 2: Check whether the internal hard drive is showing up in Disk Utility

The internal hard drive still not showing up/mounting on Mac? Well, you really need to check it in Disk Utility. You can make use of Disk Utility to perform any disk volume-related tasks. Normally, if the hard disk or SSD is listed in the left sidebar of Disk Utility, you can leave out the hardware problems.

If you find the internal hard drive showing up in Disk Utility but some partitions or APFS volumes of the hard drive are lost, the drive may have some file system corruptions. Hopefully, we can provide several clues to help you isolate and troubleshoot most logical disk errors.

1. Mount the internal hard drive on Mac

Sometimes, aninternal hard drive won't mount on Mac, it's time to force it to mount. Simply go to Disk Utility > choose the unmounted internal hard drive > Mount.

2. Run First Aid to repair the internal hard drive

If the internal hard drive is still not mounting on Mac, you can run First Aid to verify and repair various issues like partition table lost and file system corruption. You can go to Disk Utility > choose the greyed out partitions under internal hard drive > click First Aid > choose Run.

Data recovery from corrupted internal hard drive

If unfortunately,Disk Utility can't repair the disk, the corruptions on the internal hard drive are so serious. In this situation, all data on the drive is so fragile that any operation will overwrite it. To prevent further data loss, especially when you have no backup of the data, it's better to immediately recover lost data from the internal hard drive with reliable Mac data recovery software like iBoysoft Data Recovery for Mac.

Case 2: Internal hard drive is not showing up and you can't boot up the Mac

When you can't access the internal hard drive because the Mac is not booting up, you can try these solutions.

Solution 1: Repair the internal hard drive in macOS Recovery Mode

When your Mac won't boot as there is no statup disk, you can try to check if you can find the internal hard drive in macOS Recovery Mode by the following steps.

Step 1: Boot your Mac into macOS Recovery mode. Start your Mac and hold down the Command +R + Option keys simultaneously until you see an Apple logo or spinning globe. Then release the keys.

Step 2: Select Disk Utility from the macOS Utilities menu.

Step 3: Select the corrupted internal hard drive from the left-hand panel if you can see it.

Step 4: Click First Aid on the top and wait while it verifying and repairing errors.

Solution 2: Check the internal hard drive that won't show up in Terminal

If the internal hard drive disappeared from your iMac or Mac mini, you can check the internal hard drive in Terminal, especially for a internal Fusion drive. The reason is that when an internal Fusion drive is split, you can't see it showing up on Mac normally. Instead, it would be split into an extra SSD and a hard drive, making the internal fusion hard drive invisible.

If you can see them with correct storage capacity by the command line 'diskutil list', you need to recover lost data from the internal hard drive with iBoysoft Data Recovery for Mac to avoid data loss and then fix a split fusion drive as soon as possible.

But if you can't see the fusion hard drive with right disk information, you'd better call 1-800-275-2273(US) o

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