SD card cannot read what to do

　　If the camera is available, most of the cards are good, and it is possible that

　　1 Your data cable or port is broken.

Try replacing a data line or read it with a reader.

　　2 online USB port voltage shortage

Do not use the USB port on the front panel of the computer and try the rear USB port.

　　3 Computer system failure

Replace a computer to try or reload the operating system.

　　4 not working correctly

Some brands of camera and computer online operation setup is more troublesome (such as canon), should be the camera to the viewing file and then online. It is recommended that you read the manual carefully again.

Some SD card compatibility is not very good, or some cameras out of the file format compatibility is not very good, or the card reader compatibility is not very good.

Sometimes, you can read it with a different reader.