Repair External Drive Mac

Mac OS Diagnostics The MacOS has great tools for testing hard drives. This program is called First Aid. Always backup your data before running First Aid scans of your hard drive. If there is a bad sector, any data that may have been accessible before running 'Repair Disk' will likely become inaccessible once the bad sector is re-allocated. Do some basic checks. If your Toshiba external hard drive doesn't show up when connected to a. Turn on your Mac, then immediately press and hold Command-R to start up from macOS Recovery. Release the keys when you see the Apple logo or spinning globe. When you see the macOS Utilities window, choose Utilities Terminal from the menu bar. Type diskutil resetFusion in the Terminal window, then press Return. Also Read: List of Top 5 Mac Hard Disk Drive Repair Software. Use FSCK Command in Single-User Mode to Fix External Drive. Use the fsck command in the single-user mode to repair the file system corruption issue on your Mac external hard drive. Steps to repair Mac external hard drive by using single-user mode are as follows.

1. Cd External Drive For Mac
2. External Hard Drive Repair Mac
3. Mac Computer External Hard Drive
4. External Drive Repair Mac Os X
5. Best External Drive For Mac

'A friend of mine sold his external hard drive to me last week but one. I can access and view all the files on the hard drive. The issue is that I cannot write anything into the hard drive. I can't even delete the files present on the drive. My friend owns a Windows PC. I am using his hard drive on my Mac. Is there a way to fix this problem? Thank you, guys.' – Jimmy, discussions.apple.com

An external hard drive will only be 100% useful to its owner if reading and writing into the hard drive are possible. If you are currently dealing with this external hard drive read only error on Mac, this article is for you. We will be showing you how to get rid of the error.

1Why is Your External Hard Drive Read-Only on Mac?

The external hard drive read only error has 3 major causes. We have outlined the causes below:

NTFS File System

You can determine whether the NTFS file system is the reason you cannot write into your hard drive by right-clicking the hard drive and then choosing Get Info. The NTFS file system is compatible with Windows PC but incompatible with Mac computers. While the Mac can allow you to read the files in the NTFS file system, it won't allow you to write into the drive.

Permission Settings Aren't Ignored

If the hard drive had been used on a different Mac computer, OS X could have set up access permission for the folders and files available on the hard drive. These settings could be preventing full access to the hard drive. Visual studio for mac sql server.

Formatting Errors

If formatting errors do exist in your hard drive, there is a chance that this is the reason you are experiencing the Mac external hard drive read only issue

Cd External Drive For Mac

2 Fix External Hard Drive Read-Only Without Losing Data

Step 1: Recover Data on the Hard Drive

If the hard drive has important files, you will need to recover these files before proceeding to fix the external hard drive read only Mac problem. This will ensure that you do not lose the data during the fixing process.

Recovering data from a read only hard drive on Mac is extremely easy. All you will need is a third-party tool called iMyFone AnyRecover. AnyRecover supports more than 1000 file types. This means that it is capable of recovering all the file types on the hard drive. The tool is not just easy to use. It also does its job quickly. You won't need tech knowledge to recover your files.

• You can use it to recover over 1000 file formats, including photos, videos, documents, etc.

• AnyRecover supports numerous data loss situations, including damaged hard drive, formatted drive or device, OS crash, virus attack, accidental deletion, emptied recycle bin, etc.

• AnyRecover works with all types of storage media, besides hard drives, flash drives, external drives, memory cards and more are supported as well.

• You can use the trial version for free before you decide to purchase the full version.

To recover data from your external hard drive before fixing the external hard drive read only issue, you will just need to follow the steps below:

Step 1: After opening AnyRecover, tap External Device Recovery.

Step 2: Connect your external hard drive to the computer. Select the hard drive and then click Next.

Step 3: Choose the file types you intend to recover and then click Scan.

Step 4: After the scan, preview the files and select the ones you intend to recover. Next, click Recover.

Step 2: Reformat the External Hard Drive

After recovering the data on the external hard drive, you can fix the error by reformatting it. Use the steps below to reformat the drive:

Step 1: With the hard drive connected to the computer, open Disk Utility by doing one of the following:

• Open Applications > Utilities.
• Press Command + Space and then type Disk Utility.

Step 2: Select the external hard drive on the left and then click Erase on the main window.

Step 3: Select the ideal file system and then give the hard drive a new name. Choose either MS-DOS or ExFAT if you would like to use the drive on both Windows PC and Mac. Select APFS or Mac OS Extended if you want the drive to be compatible with only your Mac.

Step 4: Hit Erase to complete the process.

3 Other Solutions to the External Hard Drive Read Only Problem on Mac

1. Ignore Permissions

If the external hard drive read only issue is a result of permission settings, the steps below could help you get rid of the problem:

• Right-click the hard drive and then select Get Info.

• Expand 'Sharing & Permissions'. Tap the Lock to authenticate.

• Check 'Ignore ownership on this volume'.

2. Check and Repair Hard Drive Errors

To implement this solution, follow the steps outlined below:

• Open Applications > Utilities.

• Press Command + Space and then type Disk Utility.

• Select the Read-Only external hard drive and then tap First Aid at the top of the Disk Utility screen. Next, click Run.

Summary: In this article, we will provide you 7 useful solutions to the issue of Toshiba external hard drives not showing up on Mac. Besides, we will also tell you how to recover lost data from the Toshiba external hard drive with free Mac data recovery software - iBoysoft Data Recovery for Mac.

'Toshiba external hard drive not showing up on Mac' is a frequently discussed question in Apple support community. Here's an example.

I have a Toshiba Canvio 1TB USB 3.0 hard drive. But when I plugged it into my Macbook Pro (mid 2012) it didn't show up. I have tried to swap around the USB connection cords but still not showing up. Reading something that the Toshiba hard drive won't show up on Mac laptops due to lack of power, I tried using an external powered USB hub still nothing. Can anyone tell me why my external hard drive is not showing up on the Mac, and how to fix it?

Why is your Toshiba external hard drive not show up on Mac?

In fact, there are various reasons that Mac doesn't recognize an external hard drive. Toshiba external hard drive not showing up could result from file catalog corruption, operating system errors, virus, physical damages, etc. Besides Toshiba portable hard drive, this error can also occur to WD external hard drives, Seagate external hard drives, etc.

Whatever the reason is, it will prevent you from accessing the files stored on it.

How to fix Toshiba external hard drive not showing up on Mac error?

Compared to Toshiba Canvio for Desktop drive, Toshiba portable hard drives offer more possibility. The Canvio range of Toshiba external hard drive includes Slim, Alu, Advance, Premium, Basics, and Ready. Although with unique features, the Toshiba portable hard drive still won't work sometimes.

You can try these solutions when Toshiba disc drive is not showing up on Mac.

Solution 1: Do some basic checks

If your Toshiba external hard drive doesn't show up when connected to a Mac via USB port, follow the troubleshooting ideas below.

1. Toshiba external hard drive is not correctly powered.

Fix: Try to connect it to an externally powered USB hub, or try to insert the Type-C Multi-Port Adapter into another USB port on your Mac.

2. The USB cable is damaged.

Fix: Try a different USB cable but make sure it is compatible with your Toshiba external hard drive.

3. The USB port is damaged.

Fix: Try a different port on your Mac, a different computer, or even a PC to connect this Toshiba hard drive.

3. Toshiba 3.0 external hard drive is not showing up.

Fix: Please update the USB 3.0 driver of your Toshiba hard drive to the latest version on Mac.

Most of the time, you can see the Toshiba external hard drive showing up on Mac again after these checks. If not, let's move forward.

Solution 2: Show the Toshiba external hard drive on the desktop

Usually, a correctly connected external hard drive will show up on the desktop, in Finder and Disk Utility. If you can't see it, just check the settings of your Mac.

Step 1: Click Finder on menu bar.

Step 2: Go to Preferences > General tab.

Step 3: Make sure the 'External disks' option is ticked. If not, tick the box before it.

This operation will show the Toshiba external hard drive on the Mac desktop.

Solution 3: Show the Toshiba external hard drive in Finder

Step 1: Go to Finder > Preferences > Sidebar tab > Locations.

Step 2: Make sure the 'External disks' option is ticked.

Solution 4: Mount the Toshiba external hard drive in Disk Utility

Sometimes, the connected external hard drive shows up but it won't work on Mac. In this case, you can check if it is recognized and mounted in Disk Utility. If the Toshiba external hard drive is not mounted in Disk Utility, you can mount the drive manually.

Specifically, you can click on the Mount button on the top of the window, or hit the Mount icon beside the drive.

Solution 5: Fix the Toshiba external hard drive in Disk Utility

However, if the Toshiba external hard drive won't mount in Disk Utility, the file system of the drive may be corrupted. You need to fix it with First Aid.

Step 1: Go to Utilities > Disk Utility.

Step 2: Select the unmounted Toshiba external hard drive and click First Aid on the top of the window.

Step 3: Wait till the verification and reparation process ends.

Solution 6: Reformat the Toshiba external hard drive

IfFirst Aid failed on external hard drive, the drive must be severely damaged, logically or physically. In this case, you can firstly try to fix the drive by reformatting, which is able to fix logical errors like file system corruption, partition table corruption, etc.

Note: Reformatting a drive will erase all the files stored on it. To prevent unwanted data loss, it's necessary to recover lost data from the not showing up Toshiba drive in advance.

iBoysoft Data Recovery for Mac is trustworthy and professional Mac data recovery software that is able torecover deleted photos, videos, documents, music files fromunreadable USB flash drives,unmountable SD cards, memory cards, external hard drives, and corrupted, damaged, formatted, inaccessible drives on macOS Catalina/Mojave/High Sierra/Sierra and Mac OS X 10.11/10.10/10.9/10.8/10.7. It supports HFS+, HFS, FAT32, exFAT andAPFS external drive data recovery.

Tutorial to recover data from the Toshiba external hard drive with iBoysoft Data Recovery for Mac.

Step 1: Download, install and launch iBoysoft Data Recovery for Mac.

External Hard Drive Repair Mac

Step 2: Select the not showing up Toshiba external hard drive and click 'Scan' button. This program will start scanning for lost data.

Step 3: Preview the searching results, choose files you need, and click 'Recover' to get them back.

After recovering data from the Toshiba external hard drive, you can reset the Toshiba external hard drive by reformatting the hard disk in Disk Utility now.

Step 1: Select the Toshiba external hard drive in Disk Utility sidebar.

Step 2: Click Erase on the top of the window.

Step 3: Follow the instructions to finish the reformatting process. Specifically, you need to provide a Name and a Format according to your preference.

Mac Computer External Hard Drive

After the process finishes, you will hopefully see the Toshiba external hard drive showing up on Mac correctly.

Solution 7: Send the drive to a disk reparation center

If you have tried out all the solutions above with no luck, the Toshiba external hard drive could be damaged physically. In case your Toshiba HDD is not recognized by your PC anymore and the blue LED is OFF and the red LED is ON, the HDD needs to be replaced. You have to send it to specialists or replace it with a new one.

How to make Toshiba external hard drives work on Mac?

Almost all Toshiba Canvio external hard drives are preformatted with NTFS file system, which means you can't use it directly on Mac. You can't write to NTFS in macOS by default. If you try to save files, the new Toshiba external hard drive is not working but read-only on Mac.

To use Toshiba external hard drive on Windows and Mac without formatting, you need to download an NTFS for Mac software. You can also format this external hard drive with HFS+ for Mac usage only. But on Mac, you can't enjoy features provided by Toshiba software like regular automatic backups of data with Toshiba Storage Backup Software and password lock feature with Toshiba Storage Security Software.

Conclusion:

Toshiba external hard drive is widely used in our daily lives to store tons of different files. Once it can't be shown up on your Mac, there're solutions for you to recover lost data with free Mac data recovery software, like iBoysoft Data Recovery for Mac, as well as to fix the error through simple steps.

External Drive Repair Mac Os X

A bonus tip: To keep the security of your data, you should back them up regularly via Time Machine or on another external drive.

Best External Drive For Mac

• How to backup Mac with Time Machine?