I have a Vizio 60 led. Had problems with the HDMI ports saying “No Signal” Here is the fix. Unplug the tv and disconnect all devices from the HDMI ports. Now hold down the power on button on the TV for 30 seconds. Make sure the power is off all the devices you are connecting to the TV. Connect the HDMI cables back into the HDMI ports on the TV. Plug the TV back into the wall Power Outlet. All ports should now work again. Good Luck!