I have a 1TB Seagate Back up Plus external harddrive, and it wont show up in my Mac Pro. The Mac Pro is the 2006 Intel Xeon model running 10.6.8 Snow Leopard. The System requirements for the external HDD are snow leopard or higher, so I don't know why it isn't working. Find “External disks” under “Devices”, and then check this item. Then your connected external hard drive will appear in Finder. Show external disks on the desktop. You can also fix external hard drive not showing up by making your Mac to show mounted drives on the desktop. Go to Settings - Finder Preferences.
Summary :
Many people are complaining about the same problem: external hard drive not showing up on Mac. Actually, the external hard drive, USB flash drive, SD card, and even internal hard drive maybe not detected by Mac sometimes due to different reasons. 11 useful solutions are provided here to help users fix hard drive not working on Mac.
Quick Navigation :
In general, a hard drive or flash drive will be recognized and showing up on the desktop automatically after it’s connected to Mac. However, it’s true that there are chances for Mac not reading external hard drive after users connected the drive to Mac. External hard drive not showing up Mac is a hot topic among users. A lot of reasons should be blamed when you can't see external hard drive: the cable or port issue, corrupted system settings, improper file system, virus attack, etc. It’s important to figure out the causes of Mac not recognizing external hard drive (internal hard drive, USB flash drive, or SD card) and try the corresponding methods to fix the problem.
Tip: You can go to the home page to get various tools (data recovery software for both Windows platform and Mac platform, system backup software, video converter, screen recorder, etc.) for solving computer problems & improving performance.
How to fix hard drive not showing up on Mac? I’ll demonstrate the Solutions from 3 aspects.
External Hard Drive Not Showing Up Mac
In this section, I’ll summarize some popular causes for Mac not recognizing external hard drive and the corresponding tips on how to find external hard drive on Mac.
First of all, I’d like to advise Mac users to solve external drive not showing up by: removing the external drive completely -> restarting Mac (repeat this action for several times to see whether it works) -> re-connecting the external drive to Mac properly. If this didn’t work, please try the following methods.
How to fix external hard drive not showing up or recognized on Windows?
The problem – external hard drive not showing up/recognized/detected – can be fixed easily by following ways.
#1. Take a Look at the System Information
Seagate external hard drive not showing up Mac:
Hi. I have a 1TB Seagate Backup Plus external hard drive, and it won’t show up in my Mac Pro. The Mac Pro is the 2006 Intel Xeon model running 10.6.8 Snow Leopard. The System requirements for the external HDD are snow leopard or higher, so I don't know why it isn't working.
P.S. When I plug in the USB cable into the computer, the HDD starts to spin, but it never shows up in the finder or on the desktop. Also, this HDD works in my MacBook Pro, but not the Mac Pro. If anyone has any useful information, that would be greatly appreciated. Thank you. - posted by DisneyWorld in Apple Community
Many people are trying to help by providing possible solutions to Mac won't recognize external hard drive after DisneyWorld published this post to ask for help. Finally, DisneyWorld got his drive showing up and working after inspected it in System Report.
How to Check Using System Report
#2. Check Hardware for Problems
How do I get my Mac to recognize a hard drive connected through USB? Here are some quick tips.
How to fix when USB flash drive not recognized on Windows?
Various solutions are provided for you to fix USB flash drive not recognized error and recover data from the inaccessible flash drive.
#3. Change Finder Preferences
Why is my external hard drive not showing up Mac? Another common reason is that the Finder preferences settings are not proper. How to change the settings?
Mac Doesn't Recognize External Drive
#4. Check in Disk Utility
External Hard Drive Not Mounting Mac
Sometimes, your external hard drive won't mount. If you find the external hard disk in Disk Utility but it doesn’t shows up, it may be not mounted. Not mounting and improper disk format (how to check disk format will be talked later) are two of the common reasons causing new hard drive not showing up. Can i download microsoft word for free on mac.
How to mount external hard drive Mac?
If your Mac is set to show only mountable drives, you should try to fix Mac not recognizing external hard drive by allowing Show All Devices.
#5. Repair the Disk with First Aid
First Aid is a tool built in Mac to check disk for errors (startup problems, corrupted files, corrupted file system, etc.) and then repair them. If your external hard drive appears but not shows up on desktop, please run First Aid.
How to Recover Data from Mac Hard Drive
You may find some important files not showing in the external hard drive (internal hard drive, flash drive, SD card, etc.). How to get them back on Mac? You should get a professional recovery tool that supports Mac to help you (Stellar Data Recovery for Mac, jointly designed by MiniTool and Stellar, is a good choice).
Tip: If the documents created by Microsoft Word (contained in Microsoft Office for Mac) are lost from Mac, how to recover them? You should read this page to learn more about Mac Word files recovery.
Some people may want to recover crucial data from their Mac when it can’t boot successfully. What should they do? This post tells you all about how to recover from a crashed/dead MacBook (MacBook Pro).
#6. Repair External Drive by Using Terminal
#7. Check Disk Format
If you can find your external hard drive under Disk Utility, but you can’t mount and use it, it’s possible that the disk format is the issue. Your Mac can’t recognize a drive that’s been formatted with a file system that it cannot read.
In this case, you need to reformat the drive (please backup at least the important files on target drive since the erase action will ruin them):
APFS and Mac OS Extended are used frequently on Mac; you should figure out the differences between them (read APFS vs Mac OS Extended) before you decide which one to use.
Can you read a Mac-formatted hard drive on a Windows PC?
Usually, you can’t read Mac drive on a Windows PC; this post shows you how to view content on Mac-formatted drive easily.
#8. Reset NVRAM
If there’s problem with the Mac’s RAM, it may cause external hard drive not showing up. You can troubleshoot the problem by resetting NVRAM properly.
#9. Check the /Volumes/ Folder
When you can’t find an external hard disk on Mac, you can also try your luck by checking the /Volumes/ folder.
How to recover a Mac file deleted from a folder or the desktop?
Believe it or not, we can make it easy to recover deleted data on Mac even if you are totally a novice.
#10. Uninstall Conflicting Apps
The applications you have installed on you Mac may have conflict with the external hard drive so that it can’t be detected. How to troubleshoot Mac not detecting external hard drive?
#11. Update macOS
Updating OS is another useful fix for hard drive not showing up Mac.
If your external disk runs very slow after you updated the macOS, please try to troubleshoot the issue by resetting the SMC (System Management Controller).
Bonus Tip: Internal Hard Drive Not Showing Up
If your internal hard drive doesn’t show up on Mac suddenly, please try to fix it by the following solutions: Mac big sur.
For more information about USB not showing up on Mac or flash drive/SD card not showing up Mac, please read this page.
Verdict
There are many actions and issues that could lead to the problem – external hard drive not showing up Mac. You should read this page carefully to find out the possible reasons and master the corresponding solutions that may help you fix the problem yourself.
Lot of Mac OS X users reported this issue in Apple support communities. External hard drive showing up in Disk utility not in Devices. This problem also happened after OS X Yosemite update.
Solution 1: Change Preferences Settings
Solution 2 : Change External Drive
Solution 3: Check USB Hub
If you connecting your external hard drive with Mac using USB Hub, check the USB hub for any damage or any loose connection.
Solution 4:-
Solution 5:-
Solution 6:-
Drive not showing up in Finder but visible in Disk Utility?
Go to Finder window and view below the favourite list. If the drive greyed Out? Select the drive. It might visible.
External Hard Drive Doesn't Show Up Mac
Solution 7 :-
Solution 8:-
Install and run run Onyx (maintenance freeware) or
run Kext_Utility.app.v2.6.1 and restart your Mac machine.
Solution 9:-
Some times this issue might happened because of the unsupported drive format.
Install Microsoft NTFS for Mac by iBoysoft. Restart your computer and check the issue. External Hard Drive Doesn T Show Up Mac
If the above methods not working?
External Hard Drive Doesn T Show Up Machine
Find more solutions in this post.
If you knew any other solutions, inform us via comment.
Comments are closed.
|
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |