My command prompt does not work?

Whenever i try a command in command prompt it never works, i will use 'ipconfig' as an example: "'ipconfig' is not recognized as an internal or external command, operable program or batch file" It does this with most commands. I don't know what is wrong. I have tried cmd.exe and... show more Whenever i try a command in command prompt it never works, i will use 'ipconfig' as an example:

"'ipconfig' is not recognized as an internal or external command, operable program or batch file"

It does this with most commands. I don't know what is wrong. I have tried cmd.exe and command.com but there is no difference. I would be grateful if someone could help me.
Thank you
4 answers 4