The Command Prompt does not work-CMD.exe
Problem: You open the command prompt (CMD) but none or most commands: PING, CHKDSK, DEFRAG, GPUPDATE, RSOP. ... Does not work. Cause: This is because the Path that tip to the Windows installation folder has changed. This change may have been caused by some other application or you accidentally. Solution: Change the value of the Path variable to C:\WINDOWS\system32; C:\WINDOWS Note: the Path must have some other information, do not delete; Add the information mentioned above after a semicolon ";" . See the step-by-step: 1. right-click the my computer icon and click Properties 2. navigate to the Advanced tab, and then click Startup and Recovery 3. on the " environment variables " search for Path in the " System variables " then click Edit ... 4. Now search for the path C:\WINDOWS\system32; C:\WINDOWS "; If I did not have ai, copy this and paste after a semicolon ";" 5. test and Ok