Win7 system prompts "Ping is not an internal and external command" how to solve

1. Right-click on the "Computer" icon and select "Properties". In the Open Computer Properties Settings window, select “Advanced System Settings 

2. In the pop-up " In the "System Properties" window, switch to the "Advanced" tab, click ""Environment Variables" to enter another window;

3. In the Win7 <;Environment Variables" window, find & ldquo; system variable & rdquo;, find the path setting of the path in the variable item, click the “ edit & rdquo; button below. Copy “;C:windowssystem32” into the variable value and click OK.

4. After the above settings, run into the DOC interface. In the start menu, open the run, type cmd in the run input box, press and hold the Enter key to enter the DOC interface. Under the DOC command, after entering the ping command, the following dialog box will pop up, indicating that the setting is successful.