Why isn't my iMac reading a 4GB SD card (Sony SD HC)? It has read this card previously (it has photos from the camera on it). I tried restarting the iMac and reinserting the card quickly, but no luck.
Brithny· Answered on Oct 18, 2023
Suppose your iMac not reading a Sony SD card; don't worry. So many possible causes can lead to the Sony SD card not being recognized on your iMac.
For example, a broken Sony SD card or damaged SD card reader, an SD card that is not mounted correctly or unmounted, or is infected with a virus or malware, and the file system of the SD card is not compatible with macOS.
To fix the SD card not showing up on a Mac, you should first check the connection issues to make sure your Sony SD card and the SD card reader are not broken or damaged. Then, you can run Mac First Aid to repair the Sony SD card. If this method not working, consider formatting the Sony SD card.
Follow the steps below to run First Aid in Disk Utility to repair the problematic SD card:
Step 1. Open 'Disk Utility' on your iMac, and select the Sony SD card in the device list.
Step 2. Click 'First Aid' on the top menu, and click 'Run'.
Step 3. Wait for the repair process to finish. Then, check if the Sony SD card can work normally.
If the Sony SD card is still not recognized on your iMac, use the 'Erase' button in Disk Utility to format it. However, formatting an SD card will erase data on it. So, before you format the problematic SD card, use EaseUS Data Recovery Wizard for Mac Pro to recover data on the SD card. Check out the following steps:
Step 1. Open the EaseUS software on your iMac, and select the Sony SD card.
Step 2. Click 'Search for lost files' to view all data on the SD card.
Step 3. Select the data you want from the Sony SD card, click 'Recover', and save it to a safe location.
Use EaseUS Data Recovery Wizard to recover deleted or lost files easily and quickly.
Tutorials on how to recover lost, deleted, or formatted data from HDD, SSD, USB, SD card, or other storage media on Windows and Mac.
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