If your device is not recognizing your microSD card, you may want to try the following steps:
- Check that the card is properly seated in its SD card slot.
- Make sure the card's format and file system are compatible with your device.
- If using an adapter, make sure the microSD card is fully inserted into the adapter.
- Clean the card and the card reader slots with a gentle cloth.
- Reboot your device to initiate recognition of the card.
- If the issue persists, you may need to upgrade your device's driver.