What should I do if the CMD command in the win7 Ultimate computer is wrong?

1. First, we simultaneously press the win+r shortcut on the win7 Ultimate computer keyboard to open the computer's running window. After that, we enter path %windir%system32 in the running window and click Enter. Under the simpler fault can be solved in this way, the CMD command in our win7 Ultimate computer can be used normally.
2. If the above method solves the problem as usual, we need to return to the desktop location of the win7 Ultimate computer. After that, we right click on the “Computer” icon, select the attribute in the slide menu, and then select “ldquo; System property & rdquo;, then click & ldquo; environment variables & quoquo;, see the value of "windir"; Xiaobian here suggest that you directly modify the system default value, if there is no "windir", we Create a new variable with the same name.