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External Hard Drive Not Mounting Mac



Troubleshooting external hard drives that will not mount 1. Relaunch the Finder. The discs may be mounted and available; however, if the Finder is having troubles displaying. Change the port. Sometimes there are differences in the USB ports on the system, which result in power or speed. The external drive is a Seagate go flex thunderbolt 1TB that was already set up as a time machine backup to this macbook pro. The external drive is not mounting (no icon appears). I want to reformat the external drive and set it up again, but since it isn't mounting, I have no way to bring it up on disk utility to do so.

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.

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 Blackjack basic strategy odds. 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. Team air omnisphere keygen not working. 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.

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.

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

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.

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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Disk Not Mounting Mac

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Many Macbook users complain about External Hard Drive not showing up on Mac. Are you one of them? Well, don’t worry. We have many methods to fix this common error.

In this article, you will find different solutions on How to Fix External Hard Drive Not Mounting Error on Mac.

But before applying any fix, it is important for you to identify the cause behind the problem. Here are some of the well known causes thay may lead to this problem.

Contents

  • 2 How to fix “External hard drive not showing up on mac”
    • 2.1 Fix hard DiskMounting Issue Caused by External Problems
    • 2.2 Fix Hard Drive Not Showing up on Mac [Due to Internal problems]

Causes of External Hard Drive not Showing up on Macbook

The causes includes;

External hard drive not mounting macos
  • Physical breakdown in any part of hard drive
  • Circuit failure
  • Malfunction of any of the software,
  • Malfunctioning of the cable used to connect the hard drive.

There are many problems which appear randomly such as any of the programs associated with the hard drive not working properly on your mac or iOS trying to resist the use of the hard drive which may cause any harmful attack over your Mac, etc.

Hence, we are going to learn every possible way to fix the problem of “External hard drive not showing up on Mac”.

How to fix “External hard drive not showing up on mac”

As we have mentioned before, problems arises either due to malfunction of any physical component or due to improper function of an internal program(s). Hence, we have categorised it as:

Fix hard DiskMounting Issue Caused by External Problems

Check connection of the cables/ drives

In most of the cases, the users have found that their external hard drive not showing up on mac due to poor connection of cables and the hard disk drive.

Try to check every port and connection of the cables.

External Hard Drive Not Mounting Mac

Poor power supply

Hence, if the drive is powered using a USB cable, then you need to check if your hard drive is getting an adequate power supply.

Old power cables may not support many newly designed hard disk drives. So try using a new cable to connect your drive to Mac. We recommend using a USB 3.0 supported cable to connect drives to your Macbook.

Breakdown of cables/ports

Plugging or ejecting in a harsh manner may make your port or connecters loose. Similarly, folding cables in a bad manner can cause cable breakdown or internal fracture.

This also acts as a barrier to the power supply. Hence, your drive fails to mount and ends up with the problem of your external hard drive not showing up on mac.

Simply try a new cable to fix.

Fix Hard Drive Not Showing up on Mac [Due to Internal problems]

Repair your drive with the help of disk utility

Disk utility is the program which enables us to check any error and fix it with the help of troubleshooting. Follow these steps to run disk utility and help to fix the problem of external hard drive not showing up on Mac.

Step 1: Open Disk Utility after navigating from: Finder > Application> Utility.

Step 2: Select your external hard drive and then select first aid option. Select Run to proceed the first aid diagnostics.

Step 3: After completing the process, your drive is ready to mount on your Mac.

Run Mac diagnostic to encounter any hardware issues

You can run Apple Diagnostics to encounter any hardware issues.

Step 1: It is advised to disconnect all the external devices except keyboard, mouse and other useful devices.

Step 2: Reboot your mac or you can power on your mac if is power off.

Step 3: Press and hold D button on your keyboard. Hold the button until you would asked to choose language.

Step 4: After selecting your language, it will display a progress bar stating “checking your mac”.

Step 5: After completing the diagnostics, it will suggest you the solutions for the errors diagnosed.

Reset your NVRAM

NVRAM is the contrast of both Dynamic and static RAM. It is helpful to retain the information while power is turned off. Hence, follow these steps to reset your NVRAM.

Usb Hdd Not Mounting

Step 1: Shut down or Reboot your mac.

Step 2: Immediately press these four keys in a sequence i.e. command, option, P and R.

Step 3: Hold the keys for at least 20 seconds and after you hear the second chime, release the buttons.

Step 4: After realising the keys, your mac will restart and hopefully your drive will show up. Vegas crest casino no deposit bonus 2016.

Reboot your Macbook

The last option is to simply reboot your Macbook and then try connecting your Hard Drive.

Final Words

The error such as “external hard drive not showing up on mac” is very common. Therefore, it is advised to properly use any drive with your mac. Most of the times, we create this error because of our improper handling of the external hard drives.

Always try to properly eject or connect your drives which improves the handling as well as the life of the ports and cables. In most of the cases, this error is the result of the malfunction of the external components. Hence, try to fix the error using methods to fix external problems. And if it is not sorted out with that, try to use methods to fix internal problems.

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