command prompt (cmd) “ not recognized as an internal or external command” in Windows

command prompt (cmd) “ not recognized as an internal or external command” in Windows



“command” is not recognized as an internal or external command, operable program or batch file.

Double check that the ping.exe exists in the WINDOWS\system32 folder.



Right click the My Computer icon then choose properties. Select Advanced tab and then click Environment Variables.



At the system variables panel, choose Path then click the Edit button.



Save the old value as a text file as backup
Edit the variable value separated by semicolons. 
Set PATH to c:\windows\system32 ;



Click OK and REBOOT