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Mac Hard Disk Not Detected

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SSD drive not recognized My wife's Macbook Air 13' from mid 2012 (model A1466) suddenly stopped recognizing the SSD drive. She was working, left it alone for a while and when she came back it was frozen and unresponsive. To my surprise it was detected by the OS when doing an 'Option' boot and I was able to load OS X. From there the OS could see the internal SSD drive I had installed. I formatted the disk (Mac OS Journaled, GUID partition table), downloaded El Captain (newest version that supports that model MBP), and installed it on the internal drive. https://softwaremontreal.mystrikingly.com/blog/controller-for-macbook.

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  3. Wd External Hard Drive Not Recognized Mac
  4. Hard Disk Not Detected Mac
  5. Macbook Not Recognizing Hard Drive

These steps for fixing an external hard drive not recognized on Windows and Mac are suitable for external hard drives of all capacities and manufacturers. However, if still the issue is not resolved, you can avail of professional help. Select it while the disk detected on the program. The external hard.

  • If the internal hard disk drive is not found by Mac, booting Mac to Safe Mode can 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.
  • If the drive is recognized, copy your entire data from it. Detach the drive and format it on your host Macintosh (on which your drive was not detected). In case, your drive fails to show up on any other Mac.

After you connect a removable disk through the computer's USB port or SD card slot, the Mac OS will read the drive and mount it on the desktop, in Finder, and Disk Utility. The Mac OS always enables you to have the most convenient access to open the disk and manage files on it.

However, people may not go as quickly as you expect. MacBook Air/Pro may not show up the external hard disk at all. One the one hand, the disappeared disk icon makes it inconvenient to open the drive. On the other hand, the disk might be corrupted and result in data loss or difficulties in file transfer.

After reading the article, you will learn:

  • Why the MacBook doesn't recognize the external hard drive
  • How to make the MacBook detect the external hard drive
  • Solving external hard drive not showing up problem
  • An easy way to recover data from the unrecognized external hard drive

1. Why is the MacBook not recognizing my external hard drive?

The recognition process of an external device contains two parts – hardware and software. Any problems in either of the two parts will end up with the macOS doesn't detect and recognize the external hard drive.

We summarize four common reasons:

  • The USB port/USB adapter/USB cable is broken.
  • The external hard drive is physically damaged.
  • The incompatibility between the file system of the external hard drive and the Mac OS.
  • The file system/partition table/other core information on the external hard drive is corrupted.

2. How to make the MacBook detect my external hard drive?

The very first step of solving the problem is to check the hardware conditions of the connection and the hard disk itself.

a) Use a different USB port/adapter/cable

After plugging and unplugging for multiple times, the USB/port/adapter/cable may get worn out or become wobbly if you have spare ones, the go-ahead to use them.

b) Reboot the MacBook | MacBook Not Recognizing External Hard Drive

If you didn't eject an external drive safely before you attach another one to the MacBook laptop, the computer might believe the USB port is still unavailable. As a result, the MacBook may not accept another external drive. Then you need to restart the computer and reconnect the external hard drive to it. After rebooting, the OS will release the USB port to the external hard drive.

c) Connect the external hard drive to another computer

If you are sure that the USB port/adapter/cable is all good and you have restarted the MacBook, but the problem stays unsolved, try to find another Mac or PC to see if the external HDD can be detected. Did you ever drop the external hard drive? If you did, the disk might suffer physical damages that prevent it from working correctly. Let it go and get a replacement.

3. Solving the external hard drive not showing up problem

Sometimes, your external hard drive is recognized by macOS, but it doesn't show up on the desktop or in Finder. Adobe premiere pro cc 2017 crackeado mac. It makes you feel your external HDD is not known. To see if that is the case you come across, go to verify a few settings.

Go to the top menu bar where the Apple logo is and click on 'Finder.' Select 'Preferences,' and you will see four tabs on the top. Tick 'External disks' under 'General' and 'Sidebar' tabs. Then the MacBook is set up to show up the external hard drive on the desktop and in the Finder.

If all settings look useful to you, the removable hard disk not showing up problem might result from the incompatibility between the file system and the MacBook, or the corrupted file system of the external hard drive. To make the external HDD work properly on MacBook, you need to erase it in Disk Utility. A small reminder: the erasing will deleted all your data.

4. An easy way to recover data from the unrecognized external hard drive

Many people probably won't realize that they are facing a threat of data loss until they are. Fortunately, professional and reliable ransomware data recovery services are available for you. They are very efficient in restoring the essential pictures, videos, documents, and other files from the unrecognized external hard drive.

5. A final note

When the external hard drive suddenly becomes unrecognizable on Mac, don't be panic because you can fix the problem by merely correcting the hardware connections or reformatting the disk. You may find more information about the unrecognized external hard drive on Mac in this post.

How to download the latest version of mac os x. Macintosh HD, or the MacBook internal hard drive, is basically the startup drive of most Apple computers. That means if your Mac or MacBook Pro can't mount its startup disk, it is likely that you will experience problems, like your computer gets stuck on the login screen or it does not boot at all. Situations like this can be very annoying, especially if you have critical and important files stored on the 'unmountable' hard drive.

Fret not, because we will teach you what to do if your MacBook Pro won't mount its startup disk. But before we do that, you better have a backup of all your data.

Backup, Backup, Backup!

Before you proceed with fixing the problem, it is best that you back up all your data first. That way, you can easily retrieve or recover your important documents and files in case something goes wrong.

Hard

Now, you might be wondering if it is possible to create a backup of your data, especially that your Mac is not even booting. Here's what you should know: your Mac has a built-in Disk Utility, which can be accessed before startup. To use this, follow the steps below:

  1. Get an external hard drive and connect it to your Mac.
  2. Switch off your Mac. After five seconds, switch it back on.
  3. After hearing the startup sound, press the CMD and R keys. Hold them until the Apple logo appears.
  4. The macOS Utilities window will now appear.
  5. Choose Disk Utility and hit Continue to proceed.
  6. You can now start backing up your data using the external drive. Once you have backed up all your data, you can try a few fixes to your 'unmountable' hard drive problems.

4 Fixes to a MacBook Pro That Can't Mount Its Startup Disk

In most cases, mounting is an automatic process that happens as soon as the hard drive is connected to a Mac or MacBook Pro. Then again, drive mounting can be performed manually using the Disk Utility of your machine. It will be discussed further below.

Going forward, assuming you already have a backup of your important files and data, let's proceed with resolving the problem. Mac os x keyboard shortcut symbols. Below are a few ways to fix a MacBook Pro that can't mount its startup disk:

1. Fix Your Hard Drive.

Sometimes, restarting your Mac is more than enough to fix the problem. However, if that does not work, then you might want to look into the angle that there might be something wrong with your hard drive. If that is the case, you have to boot your MacBook Pro in Recovery Mode via Disk Utility.

To hopefully fix your hard drive, follow these steps:

  1. Switch off your MacBook Pro.
  2. Turn it back on by pressing the Power button. But while doing that, press the CMD and R keys as well until the Apple logo appears.
  3. The macOS Utilities window will open. From there, select Disk Utility.
  4. From the left pane, choose your MacBook Pro hard drive.
  5. Navigate to the First Aid tab.
  6. Click the First Aid button to start fixing your drive.
  7. Wait for the process to finish before restarting your machine.

2. Run Your MacBook Pro in Safe Mode.

When booted in Safe Mode, your MacBook Pro will start only with the minimum requirements and utilities needed. All other programs and apps that are unnecessary will never be loaded. Hence, if the reason why your startup disk cannot be mounted is a faulty app or program, booting your MacBook Pro in Safe Mode might just fix your problem.

To run your MacBook Pro in Safe Mode, do these:

  1. Restart your MacBook Pro.
  2. After you hear the startup sound, press the SHIFT key immediately. Continue holding it until the Apple logo appears.
  3. If your MacBook Pro boots up properly, then uninstall any program or app you suspect is causing the problem.
  4. Restart your machine.

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3. Disconnect All External Peripherals.

It is possible that a faulty peripheral connected to your MacBook Pro could be causing your startup disk problems. To verify this, follow the steps below:

  1. Switch off your machine.
  2. Disconnect all external peripherals connected to your MacBook Pro, including printers, external hard drives, USBs, and scanner. You may leave the keyboard and mouse attached in the meantime.
  3. Switch on your Mac. If it boots properly, then one of the peripherals is causing the problem.
  4. Identify the exact cause of the problem by connecting each of the peripherals one by one. Make sure you reboot your MacBook Pro every time you connect a peripheral.

4. Reset the SMC and PRAM.

This may sound like a technical solution, but it isn't. In fact, resetting the SMC and the PRAM takes only a few seconds.

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To reset the PRAM and SMC, follow these instructions:

  1. Reboot your MacBook Pro.
  2. After you hear the startup sound, press the Option, CMD, P, and R keys. Hold them until you hear the second startup tone.
  3. Release the keys. Your PRAM will then be reset.
  4. Restart your MacBook Pro and check if the problem persists.
  5. If resetting the PRAM does not fix the problem, try resetting the SMC. Start by shutting down your MacBook Pro.
  6. Plug your machine into a wall outlet.
  7. Next, press the CTRL, SHIFT, Option, and Power keys for 10 seconds and release them together.
  8. Restart your MacBook Pro and see if it worked.

How to Mount a Startup Disk on MacBook Pro

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At this point, you probably want to know how to properly mount a startup disk on your MacBook Pro to avoid problems in the future. Well, mounting a startup disk does not literally suggest physically setting it up with all the wires. It simply means making the startup disk available for your system to perform different read and write operations.

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If the startup drive is in good shape, your system Disk Utility should see it. Under the Disk Utility window, select your preferred startup disk. Click on it to mount. By now, your new startup disk should be accessible by your operating system.

What's Next?

Now that you know how to deal with your 'unmountable' startup disk problem, it's time that you get your MacBook Pro running fast and smooth by downloading and installing a reliable tool like Outbyte MacRepair. Not only will this tool allow you to conveniently find and fix speed and stability problems, it will also protect your privacy. What more can you ask for from such a powerful tool?

If you know other ways to fix a MacBook Pro that can't mount its startup disk, please share them with us below. We're looking forward to hearing from you.

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