Must be signed in to steam on online mode to play?
i have been playing COD MW2 since it come out online and i get disconnected from a server and then i go to play again and it shows the message " Must be signed in to steam on online mode to play " i have no idea what to do, can anyone help me? i am on PC.
- Anonymous1 decade agoFavorite Answer
Open Steam (from your taskbar) click 'File' on the top left and then click 'Go online...' which should bring you to your Steam login window in which you have to type in your Steam account password.