If your DAX NE 190E is a smart TV or a newer model, the remote might use Bluetooth or RF instead of infrared. In this case, the remote needs to be re-paired.

If your remote has "lost" its connection to the TV, use one of these common setup methods: Turn on your TV manually.

What are you trying to control with the DAX remote?

He popped the batteries back in. He held his breath. He pressed "Power." The TV stayed off. The Surgery: Alcohol and Carbon