Windows 7 system input method setting skills

Just input method switching for Crtl+Shift shortcut key can not switch how to do?
Reminder: In general, Crtl+Shift shortcut keys can not be switched. The input method is mostly due to the existence of viruses or software conflicts in the computer, and there are also settings. Improper can also cause such problems to occur.
Workaround:
1. First of all, anti-virus on the computer, the input method can not be switched due to virus damage, but it needs to be eliminated before the problem is solved. The input method settings are normal.
2. Input Method Settings
From the Start menu, click “Control Panel”.
Click "“Change keyboard or other input method" under "Clock, Language, and Region".
On the "Keyboard & Language" tab, click the “Change Keyboard” button.
Pop-up "Text Service and Input Language" window, select the default input method you want to use from the "Default Input Language" drop-down menu, and then click “OK Save & Exit.
Close the currently open window. After re-opening, the new default input method setting will take effect, as shown in the following figure:
The input method can be switched under this setting. Sometimes it may be due to computer boot system error or software conflict, resulting in input. The law can't be switched and it happens often. In this case, we can try to restart the computer to solve it. If it still doesn't work, we can only reinstall the system.