"All display devices are disabled or virtual. Recording is stopped."

1. Ref
http://social.expression.microsoft.com/Forums/en-US/encoder/thread/9a9c444a-5fb0-4bff-a1d2-4e5c7c305ae6

2. My Lenovo T400 computer.
3. Two display cards were showed as follows

4. It may solved the issue ""All display devices are disabled or virtual. Recording is stopped."