
Please ensure both sides of the connection are updated to the newest release available within your major version. the communication of TeamViewer has encountered an interference/block.the connection is to a computer with no monitor.the TeamViewer service is not running correctly.Most of the cases, however, are due to the following:


TroubleshootingĪ black screen on the remote machine has several causes. The following information can assist in pin-pointing the underlying cause. Occasionally when making a connection with TeamViewer, you may encounter only a black screen upon connection. This article applies to all TeamViewer users.

Why do I only see a black screen after connection establishment? - TeamViewer Support
