The solution for ASUS UX21E series unable to read the memory card is as follows:

1. Please reinstall the card reader driver, which can be downloaded from the driver CD or website download area.

2. If it cannot be used after reinstallation, it is recommended to use another memory card. (Low capacity or different brand)

　3. If it cannot be used, it is recommended to contact the service center and ask an engineer to do a detailed inspection.