He is a very important element for the operation of the computer, without this tool it is impossible to work on any computersince this is where all the information is stored, and if it is removable you can use it on various computers, anywhere you are.
Now, in the case of the Mac, it may happen that the device does not recognize this drive, causing a significant problem without needing the information at a certain time. This can occur for various reasons, which you should be aware of so that you know what solution to implement.
In the following article, you will learn about the causes why your Mac does not recognize the external hard driveas well as you will learn what to do when this can happen to you.
Why doesn’t my iMac recognize the external hard drive?
This can happen for various reasons, often It may be due to compatibility problems, while in others it is simply that the equipment has factory problemsFor this reason, an accurate diagnosis must be made.
other measure What should be taken into account is the know the conditions of your computerHow is it working and if you have presented this problem on other occasionsdiscarding these two methods, you should go deep and look for other technical reasons, and thus find a solution.
The causes for which your iMac does not recognize the external hard drive are:
compatibility issues
It is a very frequent case, in this sense there is the possibility that your external hard drive is not functional with MacOS, therefore It is recommended that you consult with the guides that bring this equipment with themand in this way read all the specifications that it contains.
On the other hand, currently external hard drives can be used on both Windows and MacHowever, this does not prevent the existence of compatibility problems, which not even a change of format can solve. You must pay attention to the indications as mentioned above and if the difficulties persist, contact the manufacturer directly.
The USB cable is not working properly
Yes the hard drive has difficultiesone of the first procedures you should perform is the check that the USB cable show no faults, and rule out that this is the problem that prevents everything from working correctlythis tool is very important for the transmission of data to the computer.
If the problem persists, try to connect the device to another computer and in this way rule out that it is your device that is generating problems, this is when you should replace the cable with one with which you can work properly.
You do not have external drives displayed in Finder enabled
In this step, only you must connect the external hard drive to the computer and test if power is coming to the indicatorsin the same way check if the Mac recognizes the external device, if it does not achieve recognition, you should go to “”, to do this, go to the menu bar and click on the option “To go”, then click on “go to folder”. A dialog box will appear where you will see an analysisif you do not see the disk in it, it is because it is not being recognized by your computer.
However, another way to achieve device recognition on the computer is by activating the preferences, for this you must click on “Finder” in the scroll to the menu bar, click again on “weekendr” and then in the option “preferences”, to display the hard drive every time you connect it, go to “General” and choose all the elements you want.
Do a system management control (SMC) reset
this option You should do it if none of the steps above have worked for youThis process is also known as SMC, The chances that the computer can recognize the external hard drive increase if you apply this procedure correctly.
To achieve this you must do the following:
- Choose the menu “Apple > Shut down”.
- Once the computer shuts down, you must unplug the data power cable and wait 15 seconds about.
- Reconnect the cable data feed.
- wait five seconds and press the buttonSwitched on” to boot the computer.
Learn how to make your MacOS recognize external hard drive
Yes your Mac does not recognize the external hard driveWell, all is not lost, there are methods where you can reverse this situation, and make it work perfectly on the computer without any inconvenience. Are various methodseach of these fully verified, and that will make this tool work like a charm.
For your MacOS to recognize an external hard drive you must do the following:
Check external hard drive driver in system information
A common way to know that the hard drive was detected is by viewing it, it is a way to check that the computer has accepted the device and that you can use it whenever you want, this process is done like this:
- click on the icon of the “Apple” and then click on “About this Mac”.
- The tab will appear immediately “Summary” where you must select “system report”.
- press in “USB”tab at the top left to check the information of the external hard drive,
- In case that You can see the information but the Mac does not detect the hard drive you’re probably getting it back, To examine this activity use these commands: fsck_hfs or fsck_exfat.
Update the macOS
Yes the operating system is oldit is likely that have a lot of problems at the moment for him to achieve detect external hard drive.
To do this you must update the device, to do so you must do the following:
- Click on the icon of “Manzana”, followed by “About this Mac”, and in the summary tab you click on “Software update”.
- Yes there is an update availabledo not hesitate to press on “Update now” and the system will automatically carry out the respective procedure.
Run “Apple Diagnostics” to detect hardware problems
These computers have “Apple Diagnostics”which is an integrated program that allows detecting any type of problems that may arise, as well as find damaged hardwarewhich may be one of the reasons why the computer does not detect the external hard drive.
To carry out this diagnosis, do the following:
- You should remove all external devices except of keyboard and mouse.
- restart the mac pressing the keyD.” when you look at the menu window to change the language, release that letter.
- Subsequently, The system will proceed to carry out the respective diagnosis.where you can see all the progress.
- Completed the diagnosisall existing problems with possible solutions will be indicated to you.
Use “Terminal” to recover external hard drive
This option can help you solve this problem, since thanks to the various commands that must be applied, they will lead you to an exact review with a favorable solution in this case:
- Go to “Finder” > “Applications” > “Utilities > “Terminal”.
- insert diskutil list after press the button return with the code of the external hard drive (disk#).
- Write diskutil mountDisk /dev/disk#, then click again in “Return”.
- Now place diskutil repairVolume /dev/disk# to later press on “Return”.
- finished the processclose the terminal to complete the recovery.
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