External hard drive partition not showing up mac

When the Finder reappears, you will see hidden files if any exist. If you still can't see files on the external hard drive, the drive may have corrupted file system which can't be recognized by your Mac computer. If you don't back up any important data, it's highly recommended to recover data from external hard drive with free Mac external hard drive data recovery software.

Because in this situation, all data stored on the drive is so fragile that any operation will overwrite it, resulting in irreparable data loss. Step 1: Connect the external hard drive that is not showing files on Mac. Step 3: Select the external hard drive, then click "Next" to start scanning for lost files.

Step 3: Preview the scanning results, choose files you want to recover, and then click "Recover". Within the Disk Utility, First Aid is a function for checking and repairing file system errors. Here are steps to run it:. Step 2: Click "Show all devices" in View option and select this external hard drive in the left sidebar. If none of the solutions above can help to fix external hard drive files not showing up on Mac, the last solution is to reformat the external hard drive.

But reformatting will erase all data on the drive, please make sure you have recovered lost data back with iBoysoft Mac Data Recovery. Go to Disk Utility and click the external hard drive in the left sidebar. Click "Erase" and fill in the information that the wizard asked, then click "Erase" to complete this process. Can't see files on external hard drive Mac? In this article, we mainly focus on how to fix this issue. Also, you can run into USB drive files not showing up due to the similar reasons. If you are afraid of data loss, the good news is that iBoysoft Mac Data Recovery can recover data from all kinds of scenarios.

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How to Format or Partition an External Hard Drive for Mac

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Transfer and manage your iPhone photos, music, videos, contacts and other files on Windows and Mac. Internal, external, and new hard drives become unrecognized in varying degrees. Other times it is nowhere to be found. Based on the specific situation, you will have different solutions to try. In some cases, data loss is unavoidable to fix the problem, so data recovery software - EaseUS Data Recovery Wizard is offered to prevent permanent loss.

Hard drives, be it new or old, internal or external, may not show up in File Explorer or and Disk Management after you connect the device to your computer. Actually, hard drive not showing up is one of the most frequently occurred issues that are troubling users. If you have come across the very same issue, don't fret.

Here I will provide you with three commonest cases, the potential causes, and the corresponding fixes. Before explaining the possible reasons why your new hard drive is not detected in Windows, I need you to check whether your new hard drive is not showing up in File Explorer only or in both File Explorer and Disk Management:. You will find the hard drive missing in Disk Management or it shows up as not initialized and unallocated space. You should feel relieved in such a case.

Case 2. The hard drive has no drive letter

Unlike the hard drives that are integrated with your computer, the hard disk you purchase separately may not always be pre-formatted and ready for use. The new hard disk may be uninitialized or it's initialized but there is no partition on it. As you may know, a disk with no partitions won't show up under File Explorer.

Therefore, all you need to do is to initialize your new hard drive and then partition the disk to make the new hard drive ready for data storage. Step 4. Follow the wizard to specify the volume size, assign a drive letter to the volume, and then format the partition.

After creating a partition s on your new hard drive, you've made your disk for use and it will show up in File Explorer for you to access. Then the solutions should be quite clear in your mind: check connections, update device drivers, and enable the device in BIOS. Since the new hard drive is not detected by Disk Management, you can't update the device driver using the regular way right-click the device and choose "Update driver". You need to visit the official site of the hardware support center and download the driver according to the product you bought.

In addition to booting up your computer, BIOS also manages the communications between your computer operating system and the attached devices like your hard drive. Hence, checking whether your hard drive is disabled in BIOS is also necessary. Step 1. Step 3. Use the arrow keys to select "USB Controller". If it is disabled, change the option to "Enabled". Save and exit BIOS.

Afterward, restart your computer and see whether your new hard drive is detected.

How to access an external hard drive that's not showing up on Mac

In rare cases, you get a problematic new hard drive and it won't appear in Windows. Luckily, the device is always still under warranty, you can replace it directly. A used internal or external hard drive not showing up in Windows is much more common than a new one. When you connect a hard drive to your computer and try to access the files on it via This PC, you just find the hard drive is not showing up.


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  4. Case 2. The hard drive has no drive letter!
  5. An external hard drive not showing up in Disk Utility;
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Similar to the last case, you first need to check whether the device is detected Disk Management, which is a diagnostic step in deciding what the possible cause is. If a hard drive which has been used before is missing in File Explorer but appearing in Disk Management, it may be caused by:.

When the drive letter of your hard disk is conflicted with the drive letter of one partition on the computer, the hard drive will not show up under File Management. Besides, if you check the drive in Disk Management, you will find that the hard drive appears without a drive letter. As mentioned above, if the whole disk is unallocated space, the hard drive will be missing in File Explorer, too.

That's because there are no partitions on the disk yet or the existing partitions on the disk are lost accidentally. Although an outdated driver always causes a hard drive not showing up in Windows at all, neither in File Explorer nor Disk Management, it's also possible that it will be marked as unallocated space in Disk Management.

So the solutions are as follows:. If your hard drive appears in Disk Management without a drive letter, changing the drive letter will solve the not showing up issue. If a used hard disk suddenly becomes unallocated space, that's just unusual.

sturkeypresder.tk Unallocated space is a state that cannot be used to store data. To utilize the space, you need to create a partition s on it. Generally speaking, the space on a used hard drive won't all be unallocated space. Thus, what happens to your hard drive could be accidental deletion, virus attack, or other unknown reasons that cause partition loss on your disk.

In such a case, you will need to perform data recovery from the unallocated space first, and then create a new volume s on the disk in order to use it for data storage. Recovering data from a lost partition is easy with the help of the hard drive recovery software - EaseUS Data Recovery Wizard. It is capable of performing deleted file recovery, formatted data recovery, partition lost recovery, disk corruption recovery, and more. When your hard drive partition is lost unexpectedly, apply the software to recover your files as soon as possible. Select it as your target partition to scan. After retrieving all your precious files, now you can create a new partition to make your hard disk usable again.

Another way to try when you see your hard drive showing up as unallocated space in Disk Management is to update the device driver, which I have explained in detail above. Step 2. Find and right-click the problematic USB drive and select "Update driver".