When I start a conversation on my yahoo messenger, nothing of the conversation is being displayed.

You can use one of the following methods to start sharing your own webcam from the Messenger menu:

For Messenger 10 and above:

1. Click the Messenger menu and select My Webcam.
2. Click the Actions menu, select More Actions, and then Invite to View My Webcam.

For older versions of Yahoo! Messenger:

1. Click the Messenger menu and select My Webcam.
2. Click the Actions menu and select Invite to View My Webcam.

You can also use one of the following methods to start sharing your own webcam from the chat window:

For Messenger 10 and above:

1. Double-click a contact from your Messenger List and a Conversation window will open.
2. In the Conversation window, click the Actions menu, select More Actions, and then View Webcam.

For older versions of Yahoo! Messenger:

1. Double-click a contact from your Messenger List and a Conversation window will open.
2. In the Conversation window, click the Actions menu and select View Webcam.