This type of computer failure is the most common cause of software conflicts, generally restart the computer can be restored, if the problem is still not resolved after the restart, so light reference to the following troubleshooting steps.
1, click the Start button, and then select Control Panel.
2, in the Control Panel interface to open the region and language.
3, switch to the keyboard and language tags, click to change the keyboard, the following figure:
4, in the Language bar options, check docked in the taskbar, OK.
If this does not show, then your computer is likely to be a virus, it is recommended to kill the virus.
If the above method is still unresolved, then you can choose to reload the input method or restore or reinstall the system can be fundamentally resolved.