no signal when connecting to tv thro hdmi cable from laptop. when i open the devise manager, it says the 6to4 adapter is not working properly. please advise
Check this out then, it may help you solve your problem:
http://social.technet.microsoft.com/Forums/en-US/itprovistahardware/thread/eda35413-dc88-46b6-a506-d936669c2bfd/