1. Software For Read And Write Hard Disk On Mac Drive
2. Software For Read And Write Hard Disk On Mac Windows 10
3. Software For Read And Write Hard Disk On Mac Computer

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All the data your MacBook uses to operate is stored in a single location: the drive. For many users, this specifically means a hard drive (HDD), which is a physical disk the spins at very high speeds to access chunks of data.

If you’re using a newer Mac, you probably have a solid-state drive (SSD, or flash storage), which is completely electronic with no mechanical parts and thus does not spin.

To check whether your MacBook is with an HDD or SSD, click on the Apple icon on the top left of your screen, select About This Mac, and select Storage.

Hard drive performance is measured in two categories: read speeds and write speeds. The former is a measure of how fast you can open something that already exists, while the latter is how fast you can add something new to your computer’s drive.

Why Should I Test Hard Drive Speed?

Measuring your hard drive speed is one of the easiest and most effective ways to benchmark your MacBook. The data you get by testing will provide a standard to measure customizations such as added extra RAM or drive replacements against, and will also tell you if you need an upgrade in the immediate future.

Knowing your hard drive speed can also help you determine if you’ll be able to run certain programs (such as heavy creative software) effectively or if you don’t have the necessary read and write speeds.

How to Test Hard Drive Speed on a Mac?

To test your HDD, you’re going to need a third-party program, since this functionality isn’t built into macOS. Two of the most popular are BlackMagic and NovaBench, so we’ll show you how to use both.

For context, most modern hard drives have read speeds averaging 120 Mbps and write at 128 Mbps.

Blackmagic Disk Speed Test

Software For Read And Write Hard Disk On Mac Drive

First, you’ll need to download BlackMagic from the Mac App Store (it’s completely free!). Once it is installed, launch the app.

If you only have one hard drive (if you’re not sure, then you probably just have one), all you have to do is hit “START” since the program only has one window.

If you do have more than one drive (such as an external drive), you can navigate to FILE > SELECT TARGET DRIVE to choose which one you would like to test, and how strenuously. You can also CTRL + CLICK or right-click with a mouse to bring up a small menu.

Software For Read And Write Hard Disk On Mac Windows 10

Whichever you choose, your results will be shown on the two large gauges at the top of the window. Since Blackmagic was created for video editors, underneath the main measurements is a series of tables for those creative professionals who need to know what their computer is capable of. If you’re not in that business, however, you can ignore these and focus on your overall speeds instead.

NovaBench

First, download Novabench from the official website or the Mac App Store. The basic version is free, but you can also upgrade to Pro to access more tools if you like the application.

Once you’ve downloaded and installed, open the program and choose “start tests” from the splash screen. There may be a pop up advising you to close other applications, and then NovaBench will proceed with testing.

Once completed, the test results will be saved with the date and time in the application, and you can view them at any time from the NovaBench start screen.

What to Do If My Disk Speed is Slow?

If your hard drive doesn’t seem to be performing up to par, there are a few things you can do to keep your data safe and your MacBook running at its best.

1. Replace the drive

This is the most effective way to get your computer back in order, but it isn’t the best option for everyone. If your MacBook was made after 2013, you probably don’t have this option at all since models made after this point cannot be opened without voiding the warranty. Additionally, the MacBook Air has never been able to be modified.

If you want to replace your drive, you have two options: buy another HDD, or upgrade to an SSD. A new HDD will be cheaper and get you more space for your money but will eventually face the same problems as your current drive. An SSD will offer significantly faster speed and you can consider one of these SSD upgrades for MacBook we listed.

2. Supplement Your Drive

Not sure about replacing the entire drive or physically can’t do it? You can get an external HDD or SSD that plugs in with USB. It will work in tandem with your existing drive and can be a great fall back in case your drive fails or needs a little extra help.

If this sounds like the right solution for you, check out our list of the best external drives for MacBook Pro.

3. Backup Your Data

Since slow read/write speeds could be a sign of the impending death of your hard drive, it’s a good idea to make sure your computer is completely backed up. You’ll need at least as much storage space on the cloud platform (we recommend Google Drive or Dropbox) or an external drive of your choice as you’re currently taking up on your computer.

Then, you can copy your entire library of files, images, videos, and more to this backup location. Many cloud services also offer an automatic backup service, so you never have to worry about accidentally missing your recent files in the event of a hard drive failure. Additionally, getting excess files off your overworked hard drive could help increase its speed.

Final Words

Testing your MacBook hard drive is something everyone should be doing at least occasionally. It provides valuable data for future reference, helps you understand how your computer is functioning and is a good indicator of when it may be time to upgrade a few things.

How has testing your MacBook’s drive speed turned out? Leave us a comment below and tell us what you’ve done with the information you discovered!

Summary: Two methods to change Seagate external hard drives from read-only back to read-write, so that you can edit, delete, and rename files on this Seagate external hard drive. Also, if a Seagate external hard drive is read-only or files are locked on Mac due to NTFS format, you can use iBoysoft NTFS for Mac to mount it in read-write mode on Mac.

When you plug a Seagate external hard drive into your Mac, one of the worst things would be that you find your Seagate hard drive is read-only. Your photos, videos, and other files you saved from a Windows PC could be locked. Or your Seagate external drive could be write-protected. Are you facing such disk problem right now? Well, you are not the only one.

'I'm having a problem using my Seagate external hard drive. I only have permission to read files on my external hard drive, but I am not allowed to write or edit files on the drive when using Mac OS. Why this happened and how to fix Seagate external hard drive read-only on Mac?'

You might have trouble backing up or adding files to Seagate external hard drives on Mac. But it's not necessarily because the disk is locked but some other reasons. For example, the Seagate external hard drive becomes read-only on Mac.

In this article, we introduced three possible reasons for disk being read-only on Mac, and you can find solutions to change the external drives from read-only accordingly.

Why is your Seagate external hard drive read only on Mac?

You may be wondering why my Seagate external hard drive is read-only. In fact, read-only Seagate external hard drive results from various reasons. It could be the NTFS format that makes this trouble since NTFS is not writable on Mac. Generally, there are three possible reasons:

• The Seagate external hard drive is NTFS formatted
• You don't have permissions to access the Seagate external hard drive
• The Seagate external hard drive has some disk errors

In the following part, we'll go into details about how to fix the Seagate external hard drive read-onli issue in different situations.

Case 1: The Seagate external hard drive is NTFS formatted

Most Seagate external drives are read-only on Mac because they are pre-fomatted with Windows NT file system (NTFS) by the manufacturer. So your Seagate HDD is read only on Mac, which affects Seagate Backup Plus Ultra Touch, Portable drive, and Slim.

However, macOS disabled the NTFS write support by default. If you connect an NTFS formatted external hard drive to your Mac, you will find that files on this disk will be locked or show as read-only. You can only read but can't add files to this Seagate external hard drive on Mac.

How to check if your Seagate hard drive is NTFS formatted on Mac?

1. Open the Finder and click Go at the upper right of your desktop, then choose Utilities.
2. Find Disk Utility and open it.
3. Select your Seagate external hard drive in the left sidebar of Disk Utility.
4. Then you can see Windows NT File System on the right.
5. You can click the Info icon at the upper right to check if this disk is writable.

Solution: Use NTFS for Mac to write to Seagate external hard drives on Mac

In this situation, what you need is not to unlock the Seagate external hard drive but a NTFS for Mac driver. Many people would think about converting NTFS to APFS or formatting the Seagate drive for Mac to make it compatible with macOS. However, the truth is that you can fix the Seagate external hard drive read-only issue without formatting, i.e. you don't have to lose your files on this drive.

Alternatively, you can download NTFS for Mac software to enable NTFS drive write support on Mac with no fuss. There are a great number of NTFS for Mac in the market, and iBoysoft NTFS for Mac is used here as an example.

iBoysoft NTFS for Mac: NTFS for Mac driver and more

iBoysoft NTFS for Mac is a handy disk management tool, which can help you mount NTFS formatted external hard drives, USB flash drives, SD cards, etc. on Mac with write support. This NTFS drive mounter is also compatible with macOS 10.15 (Catalina), macOS 10.14 (Mojave), macOS 10.13 (High Sierra), macOS 10.12 (Sierra) and Mac OS X 10.11 (El Capitan), 10.10 (Yosemite), 10.9 (Mavericks), 10.8 (Mountain Lion).

How to use iBoysoft NTFS for Mac to write to NTFS Seagate external hard drive on Mac?

Step 1: Download and install iBoysoft NTFS for Mac on your computer.

Step 2: Launch this NTFS driver for Mac and connect the read-only Seagate external hard drive to Mac.

Step 3: Then, you can fully write and copy data to the Seagate external hard drive on Mac after the drive is mounted successfully.

Aside from being an NTFS for Mac driver, iBoysoft NTFS for Mac is also a wonderful tool to manage files on NTFS external drives. It lets users open, monut, repair, and erase NTFS drives on Mac natively and seamlessly.

Case 2: You don't have permissions to access the Seagate external hard drive

If your Seagate hard drive denies your access or restricts you to read-only activities, there is likely an permission issue. Being a multiuser operating system, macOS sets up access permissions for all files and folders on the system, including external drives.

Solution: Change permissions on Seagate external hard drive

To fix the read-only Seagate external hard drive issue, you need to regain full access. You can ignore the ownership or change the sharing and permissions of this disk in the Finder by following the below steps.

Step 1: Select Seagate external hard drive on your desktop or in the Finder sidebar, and then press Command + I to get information of the drive.

Software For Read And Write Hard Disk On Mac Computer

Step 2: Scroll to the bottom of this list and click on the triangle that is at the left side of the Sharing & Permissions tab.

Step 3: Click on the lock icon at the right bottom and type in the password to unlock this tab.

Step 4: Check the box to Ignore ownership on this volume, or you can toggle it off and then on if it's already enabled.

Step 5: Click on the gear button and choose Apply to enclosed items… to save your changes.

Then you can go to check if your Seagate external hard drive is read-only still. If not, you will be able to write to this disk.

But if you can't access the Seagate external hard drive as it's locked still. Well, the disk may be really locked by certain programs, especially for Seagate Backup Plus Ultra Touch. Then you need to unlock the password protection or hardware encryption with Seagate Secure software.

Case 3: The Seagate external hard drive has some disk errors

If your Seagate external hard drive becomes read-only not for the reasons above, you may need to have a check if there is any inner disk error. Some formatting errors will make an external hard drive read-only on Mac. If this is the cause, usually you will see a warning in Disk Utility that states it is only being mounted in read-only mode.

Solution 1: Fix read-only Seagate external hard drive in Disk Utility

Fortunately, there is a built-in tool called First Aid that can check and repair some minor disk errors. When your Seagate external hard drive becomes read-only due to logical disk problems, you can use First Aid to repair it then.

Here is the guidance to fix read-only Seagate external hard drive with Disk Utility:

1. Open Disk Utility.
2. Select the read-only Seagate external hard drive on the left window.
3. Click First Aid in the top center and choose Run to repair this disk.

Solution 2: Reformat Seagate external hard drive

However, if Disk Utility fails to fix read-only Seagate external hard drive, the last thing you can try to remove write protection from Seagate external hard drives would be reformatting. Reformatting will assign a new file system to this disk, consequently, the Seagate external hard drive issue could be fixed.

But before you go ahead to erase this disk, you should know that reformatting will wipe the files on this hard drive. Thus, you are advised to check if you have a copy of data back in the first place , or you can recover lost data from this external hard drive with iBoysoft Mac data recovery to avoid data loss.

If you're sure that you have data backup in hand, you can proceed to reformat this read-only external hard drive with the following tutorial.

1. Open Disk Utility as you did before.
2. Select the read-only Seagate external hard drive in the left sidebar.
3. Click the Erase button in the top center of Disk Utility.
4. Fill in name, format, and scheme when the pop-up asks.
5. Click Erase to confirm this operation.

A final note

Besides Seagate external hard drives, Toshiba, WD, Samsung, or other brands' external hard drives will come across the read-only problem. It is common to see people complaining WD My Passport external hard drives suddenly became read-only on Mac. You can also use these solutions to fix this problem. But if you are unable to fix it with the solutions suggested above, you can only send it to local disk repair store for help, but that will cost a lot usually.