How to fix SD card not working/recognized on Mac?

Posted by Katrina to Mac Data Recovery on September 21st, 2018

This passage explains symptoms and causes of SD card working/recognized issue and provides 6 solutions step by step to fix it and retrieve lost data from corrupted SD card with free Mac data recovery software.

You must have experienced similar situation. When you plug SD card into Mac computer, it can't appear in Finder/desktop. Don't be panicked, you are not the only person, many Mac users have met this problem:

"I connected my SD card to transfer some necessary files and folders, but my card is not recognized by MacBook Pro. I thought to check my card properly and I connected that SD memory card to my friend's machine but again card didn't get recognized on his Mac machine. Maybe there is a problem with my SD card? Any solution to resolve the issue?"

How to fix SD card not working/recognized on Mac?

In most cases, this problem is related to outdated, corrupt or incompatible drivers, connection issue, improper operation, hardware issues, device issue etc. Base on various reasons, here are some feasible solutions to fix SD card not working/recognized on Mac.

Solution 1: Check for connection issue

First of all, please make sure you insert your SD card properly. (The metal contacts must face down and point toward your Mac). Secondly, you need to test your SD card on a different USB port, computer or a new card reader. If your SD card still doesn't work, the card might be damaged or you need to try the following solutions.

Solution 2: Set to show SD card on desktop

It is possible that your SD card shows up in Disk Utility but not in Finder. This is because you don't set preference to show SD card on desktop.

Step 1: Go to Finder > Preferences > General, make sure the "External disks" option is ticked. This will make the SD card show up on the Desktop.

Step 2: Select Sidebar tab on the top, make sure the "External disks" option under Locations is also ticked.

Show SD card on desktop

Solution 3: Mount SD card in Disk Utility

After modifying preference, your SD card is still not showing up on Mac. You should go to Disk Utility and see whether SD card is listed. If you can see your SD card in Disk Utility, but the card is unmounted. Simply select the Mount option then the SD card will be mounted in Finder and desktop.

Solution 4: Repair corrupted SD card via First Aid

Step 1: Go to Applications > Utilities > Disk Utilities.

Step 2: Select the unmountable SD card and click First Aid on the top.

Step 3: Wait till the reparation process finished.

Run First Aid to repair SD card

Solution 5: Recover data and reformat the unmountable SD card

If unfortunately, you receive error message: "Disk Utility can't repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files", the file system of your SD card is seriously damaged and your need to reformat it. But reformatting will erase all data on the SD card, so please restore important data from unmountable SD card. Here recommend free SD card data recovery software for Mac - iBoysoft Mac Data Recovery

iBoysoft Mac Data Recovery is the best free SD card data recovery software for Mac that supports recovering deleted photos, videos, documents, music files from external drives, such as SD cards, external hard drives, USB drives, Pen drives, memory cards, etc. It's able to recover data from unreadable SD cards, recover data from APFS formatted SD cards, corrupted SD cards, recover data from unmountable, inaccessible external hard drives on macOS 10.14 Mojave/10.13 High Sierra/10.12 and macOS 10.11/10.10/10.9/10.8/10.7.

Video tutorial: How to recover data from SD cards for free

Step 1: Recover data from the unmounted SD card with iBoysoft Mac Data Recovery.

1. Download and install iBoysoft Mac Data Recovery.

2. Launch this program. Select the SD card that not showing up on Mac and click "Next". The program will start scanning this SD card for recoverable files.

Recover data from unmountable SD cards on Mac

3. After the scanning process finishes, you can click the found files and preview.

4. Choose what you want to get back and click "Recover".

Step 2: Erase the SD card that not working/recognized on Mac

1. Go to Applications > Utilities > Disk Utilities.

2. Select the unmountable SD card and click Erase on the top.

3. Follow the instructions to finish the erase/format process.

Solution 6: Send SD card to an expert for reparation

If your SD card can't be seen in Disk Utility, it means the card has some hardware problem that Mac machine can't detected it. In this situation, you can try to iBoysoft Mac Data Recovery at first. Because when Mac computer fails to recognize the disk, some data recovery software like iBoysoft Mac Data Recovery can detected it. If iBoysoft Mac Data Recovery fails to list your SD card, you have no choice but to send the card to an expert for reparation or replace it with a new one.

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