What to do if the keyboard can't be used after the computer reload system
The keyboard can not be used after reloading the system may be a driver error or the system does not recognize the keyboard, the following to teach you the solution.
1. If the USB interface keyboard can try a few more sockets, if it is ps/2 round mouth keyboard, many motherboards do not support hot-plug, that is, after the boot and then plug on the unrecognized, so the keyboard can not use the situation, first try to restart the computer.
2. If the restart computer is still unable to solve the problem may be the driver of the keyboard, right click on the computer, open Device Manager, find the keyboard options to drive the uninstall, and then restart the computer, the system will reinstall the driver.