Why does the computer not recognize the card reader?
3, the card reader is broken, for one, or the memory card and card reader is not compatible.
2, pirated system for a long time did not reload, the system data is lost or too much garbage, reinstall the system can be resolved.
1, the motherboard USB driver and its own card reader is not compatible, you can use the driver wizard, Lu master or 360 guards and other motherboard drivers update.
