Disk Not Readable By This Computer

Fix The Disk You Attached Was Not Readable By This Computer

Your friend wants to borrow your external hard drive for a while. However, you want to transfer all personal photos, docs and other data to your Mac before handing over the drive to him. But the moment you plug it into your Mac, it returns "the disk you inserted was not readable by this computer". This is a scenario that many Mac users have been shocked about in the past and lately, the situation is similar with some macOS Big Tune users but with a different message - your attached disk was not readable by this computer.

So, how on earth are you going to fix the "your attached disk was not readable by this computer" error considering that your dear friend will be at your doorstep anytime to collect an external hard drive. Before saying to a friend- “Sorry friend! Can't "and frustrate your friend, try the following solutions -

Fix The Disk You Attached Was Not Readable By This Computer
Fix The Disk You Attached Was Not Readable By This Computer


How to fix your attached disk was not readable by this computer

1. Run a preliminary check on your Mac

Your external hard drive / SD card / USB flash drive may be a problem -

Here is a very simple thing you can do before you try any advanced measures to deal with "your inserted disk was not readable by this computer". Plug in a different external hard disk to your Mac. If you see this in your Finder, the problem is with the hard disk you are trying to insert into your Mac.


2. Is the disk encrypted?

If, for some reason, the data on the disk is encrypted or the disk in question is encrypted (using encryption software), you will not be able to access it and may find "the disk you inserted was not readable by this computer". On return, attach the drive, check the encryption and if it is encrypted, right-click on it, click on decrypt (drive name) and enter the password to decrypt it.


3. Convert the file system format

The device you are trying to plug into your Mac may be in NTFS format. Devices include USB flash drives, external hard disks, SD cards, and more. If so, format the device in a Mac-acceptable format, such as FAT32. But, before you do that, make sure you back up your existing data because once you format your device, all the data will be gone.


4. Use Disk Utility to repair the disk

Mac has a functionality that allows you to repair or verify an unread disk. To do this, follow the steps below -


1. Click Go

2. Go to Utilities

3. Select the volume from the pane on the left that allows you to repair

4. Click on the First Aid text tab

5. Click Repair Disk


5. Start by telling the hand error to tell you to do

Here we will first look at how you can start the Mac to solve the problem of "inserted disk is not readable by this computer" and then we will see a great way to recover data -


1. Click on Initialize

2. When the Disk Utility opens, click View, and then click Show All Devices

3. Select the problematic drive from the left side and then select Delete

4. Select the file format and then click on Erase

The inserted disk was not readable by this computer Mac

Once your drive is formatted and started, your Mac disk should be able to read. However, it will show another problem - you will lose all your data. But, don't worry! Here's a way you can recover your lost data on Mac. You can use data recovery utility like EaseUS Data Recovery Wizard for Mac.


What is the EaseUS Data Recovery Wizard for Mac?

It is a professional tool for recovering lost data. And, it can deal with various issues that cause you to lose data. These include accidental formatting, emptying the trash bin, accidentally deleting data, and more.


How to recover data using EaseUS Data Recovery Wizard for Mac?

1. Download, run and install EaseUS Data Recovery Wizard for Mac

2. Attach the drive to your Mac

3. Launch the EaseUS Data Recovery Wizard for Mac

4. Select the drive and then click on the blue scan button

5. Depending on the mode of scan - fast or deep, you'll be able to see the lost files

6. Select the files you want to recover

7. Once you are selected, click the Recover button. It is important to remember that you do not select the same location from which your files are lost. This means you can select any location other than the attached drive.


Frequently Asked Questions

1. How do you know if the disk you inserted was not readable by this computer on Mac?

There are several ways to fix the problem "Your inserted disk was not readable by this computer on Mac". We've outlined some effective ways to fix the problem at hand, however, solutions like disk repair or disk formatting have proven to be effective. We will ask you to take a backup of your data before you choose the next solution.


2. How do you make a disc readable on a Mac?

Disk formatting makes a disk unreadable on Mac due to issues such as not being suitable for Mac. In that case, you'll need to reformat the Mac-acceptable disk, such as APFS or ExFAT.


3. How do I fix an unreadable hard drive?

To fix an unreadable hard drive on Mac, you need to first understand the cause of the problem and then move on to solutions such as checking the file system, complying with the hard drive, starting the disk, formatting the disk, and so on.


4. Why is the disk insert not readable?

If your disk is not readable, it could be a disk failure, a hardware problem, a file system problem, or worse, malware that prevents your Mac from reading the disk.

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