Lenovo pct patent

The landlord suggests that you update the driver with Windows Update first, and check whether there is a needed driver in the optional update. Second, download the driver from official website and install it with the administrator. Third, check the chip used by the card reader, and then find the driver of the chip and install it. After the above steps, the driver can basically be successfully installed ~ ~

The landlord recommended WIN7 house/

Look, there are many posts about WIN7.