If your SD or MicroSD card unmounts randomly during file transfers, it is usually caused by Windows aggressive power management settings.
What are you running (e.g., Windows 10, Windows 11)? 525 media dashboard drivers download new
To download the 525 Media Dashboard drivers, follow these steps: If your SD or MicroSD card unmounts randomly
: If the card reader fails, right-click This PC > Manage > Device Manager , find the "Generic-Multi Card" entry, and select Update Driver . Typical Device Specifications find the "Generic-Multi Card" entry