A: 1.Please follow the below step to format the SDcard to FAT 32 format.
Insert the SD card into the card reader
and insert the card reader into your computer
Click the Start Menu.
Click This PC.
Right-click the USB Drive.
Click Format.
Click Start. If the File system isn’t listed as FAT32, click on the drop-down menu and choose it.
Click OK.

2.What is the brand of your SD card? Some brands of SD card brands are not compatible with our camera
3.Please power off/shut down the camera before inserting the card
4.Please take out the SD card and insert it to make sure it is inserted correctly