An error message 'Read/Write error on SD card' appears.Most of the contents in your SD card are missing.The file or directory is corrupted or unreadable'. A black screen appears, displaying the error 'SD card is not accessible.If your SD card gets corrupted, how would you know? You can check if your SD card has the signs as follows. There are also file systems that your macOS version might not support. To investigate this, check out your SD card’s manufacturer's website. Your SD card should conform to SD 1.x, 2.x, and 3.x standards for it to work. It should generally solve the issue for you.Ī virus can most likely affect your SD card if you share it with several people, especially Windows users with no virus protection. If your OS prevents your SD card from being recognized, reinstall it and try restarting your Mac.

So how would you know? You can try inserting your SD card into another machine and see if it responds. It can be very frustrating because the damage might be too small even to notice. In reality, many technical reasons are associated with your SD card not showing up on your Mac. Like every other advanced piece of technology, the SD card is bound to be affected by inevitable glitches in one way or another. Fix SD Card Not Showing Up or Reading on Mac However, if the above processes don’t work for you and your SD card is not reading, take a look at the next part. On the right pane, contents get displayed. Do the same under the sidebar tab.Īfter the steps, you can now open the SD card and access the contents through the Finder app. Under the General tab, select External disks. If you'd like to see it on the desktop, change preferences on Finder Preferences. Click on the icon on the right or go through /applications/utilities/. Go to disk utility to check if Mac detects it. It holds the card so that it doesn’t slip out. You will hear a sound produced if it is insecure. To embed, make sure the contact points are facing down, and they should go in first. To avoid write protection, make sure the switch on the side is on. Insert the SD card into the Mac computer. The moisture can destroy it when you insert it into the device. However, don’t use water or lick the fabric with saliva.

Do it thoroughly, especially on the corners around the contact points. Well, check on the following:Ĭheck that there is no damage, i.e., scratches on the shiny contact points or greasy coatings of any kind like food substances, dust, or mud.Ĭlean your SD card with a clean and soft dry cloth. You have your SD card at hand, and you are stuck as the SD is not reading.

Learn What’s SD Card for Mac and How It Works?.

Fix SD Card Not Showing up or Reading on Mac.

Imac sd card reader not working