Open Finder > Applications > Utilities > Disk Utility

If the drive is not detected in Disk Utility then see the System Information/System Profiler section. If you are using macOS 10.13 or higher then click view in the upper left and select “Show All Devices” which allows you to see both the disk as well as volumes.

Similarly, Why is my Seagate external hard drive not being recognized?

If your Seagate external hard drive is detected, the original cable is the cause. If the problem still appears, connect the external hard drive to another USB port. … If your computer is desktop, you should make sure that the USB port into which the Seagate external hard drive plugs is on the back of your computer.

Additionally, Why is my Mac not detecting my hard drive? The most direct reason your external hard drive could be detected by macOS but can’t be opened is the file system problem. … Open Disk Utility. You can search for it using Spotlight or via Finder > Go > Utilities. Check on your external hard drive, click the First Aid tab and select Run to start running diagnostics.

What do I do if my external hard drive is not detected Mac?


What do I do if my external hard drive is not detected?

  1. Go to Applications and open Utilities.
  2. In the Utilities folder, select Disk Utility.
  3. In the View menu at the top of your screen, select Show All Devices.
  4. Select your external drive and click Unmount.
  5. Connect your external drive again.

Why is my hard drive not showing up on my Mac?

If you’ve plugged in a flash drive or USB drive and it’s not showing up on your Mac at all, it could be down to a faulty cable or USB port. … Try a different USB cable — even cables with no visible defects can fail. Try connecting the hard drive to a different USB port — it could be a hardware issue.

What do I do if my external hard drive is not detected?


Here are a few troubleshooting steps you can take to remedy the situation.

  1. Make Sure It’s Plugged In and Powered On. Western Digital My Book. …
  2. Try Another USB Port (or Another PC) …
  3. Update Your Drivers. …
  4. Enable and Format the Drive in Disk Management. …
  5. Clean the Disk and Start From Scratch. …
  6. Remove and Test the Bare Drive.

How do I fix my external hard drive not being recognized?


External Drive Not Showing Up or Detected?


6 Fixes to Try

  1. Make Sure Your External Drive Turns On. This is a preliminary step, but still one worth checking. …
  2. Check the Drive in Disk Management. …
  3. Try Another USB Port and Computer. …
  4. Troubleshoot Device Driver Issues. …
  5. Create a New Drive Volume. …
  6. Format the External Drive.

Why is my external hard drive not detected?

Hard drive not detected error/issue can be caused by the following situations: The USB driver has become unstable, outdated, or corrupt. USB ports become faulty, damaged, or broken. Partition issues on your external USB device.

Why is my hard drive not showing up?

If your new hard disk is not detected by or Disk Manager, it could be because of a driver issue, connection issue, or faulty BIOS settings. These can be fixed. Connection issues can be from a faulty USB port or a damaged cable. Incorrect BIOS settings may cause the new hard drive to be disabled.

What do I do when my external hard drive is not detected?


What to Do When Your External Hard Drive Won’t Show Up

  1. Make Sure It’s Plugged In and Powered On. Western Digital My Book. …
  2. Try Another USB Port (or Another PC) …
  3. Update Your Drivers. …
  4. Enable and Format the Drive in Disk Management. …
  5. Clean the Disk and Start From Scratch. …
  6. Remove and Test the Bare Drive.

How do I fix a corrupted external hard drive Mac?


Fix a corrupted external hard drive by formatting

  1. Open Disk Utility through Finder and Applications.
  2. Select the external hard drive at the left side.
  3. Click on the Erase button, or right-click the external hard drive and choose Erase from the options.
  4. Give the external hard drive a name.
  5. Choose ExFAT as the Format.

How do I get my Mac to recognize a USB device?

Open System Information and disconnect the USB device from your computer. Wait a few minutes, and click File > Refresh Information. Reconnect the USB device. You should see a device disappear from System Information when you remove the USB device, and it should appear again when you reconnect it.

How do I make my hard drive visible on a Mac?


4 Answers

  1. While in the Finder, go to the “Finder” menu and select “Preferences”.
  2. From the “General” tab, place a check next to “Hard disks” — this will make your hard drive visible on the Desktop.

How do I get Windows 10 to recognize my external hard drive?

Press Windows + X and select Disk Management. In Disk Management, you can see all detected disks are listed. If you see your external hard drive is listed but has no drive letter, you can right-click the drive and select Change Drive Letter and Paths.

How do you recover hard disk data when it is not detected?

  1. Launch EaseUS Data Recovery software on your computer, select the external hard disk not detected to get started.
  2. The hard drive recovery will start scanning the disk to searching your lost data and files.
  3. After the scanning, you can check all recovered files.

How do I fix a corrupted external hard drive?


How to Restore Corrupted System Files from the External Hard Drive

  1. Open Start, type cmd, and hit Enter to launch a Command Prompt Window.
  2. Type chkdsk g:/f (if the external hard drive is drive g) and press Enter.
  3. Type sfc /scannow and hit Enter.

How do I get Windows 10 to read my external hard drive?


Here’s how to do it.

  1. Plug your external hard drive into your desktop or laptop PC. …
  2. In the Windows 10 search bar, type This PC.
  3. Click This PC.
  4. Click the external hard drive listed. …
  5. Access any files on the hard drive like you would with an ordinary internal hard drive.

How do I fix Windows not detecting my hard drive?

Unplug the hard drive which fails to be recognized by Windows BIOS, and remove the ATA or SATA cable and its power cable. If the ATA or SATA cable and the power cable are broken, change to a new one. If the cables are covered by dust, clear the dust.

Why has my D drive disappeared?

D drive has been formatted or deleted accidentally. This is the most common reason. While attempting to resize or reformatting the partitions, you may accidentally delete the drive. Hence showing a d drive missing error.

How do I fix my WD external hard drive not showing up on my computer?

Go Disk Management > Find your external hard drive and right click it by choosing Change Drive Letter and Path… Assign the drive with a new letter that doesn’t exist in your PC and mark the Partition as Active. Click OK. Restart PC and your External hard drive will show up and work again.

Can a corrupted external hard drive be fixed?

On the desktop, open This PC (My Computer) and select the desired external hard drive. Right-click it and select Properties -> Tools -> Click on Check. The scan will start, which should fix the external hard drive errors. … Fix corrupted external hard drive with Windows tool.

How do I scan and repair an external hard drive on a Mac?


Repair a storage device in Disk Utility on Mac

  1. In the Disk Utility app on your Mac, choose View > Show All Devices. …
  2. In the sidebar, select a volume, then click the First Aid button .
  3. In the First Aid dialog, click Run, then follow the onscreen instructions.
  4. When the First Aid process is complete, click Done.

How do you reset an external hard drive on a Mac?


How to Boot from an External Device on Restart with Mac Boot Manager

  1. Connect the external drive or device to the Mac.
  2. Reboot the Mac and after the startup chime hold down the OPTION key during boot until you see the boot selection menu.
  3. Click the external volume to boot from it.