The easy way to detect the tv remote is damaged or not
1. make sure the Battery is still good.
2. use a cell phone camera or your digital camera.
3. remote sensor faced the camera cell phone or your digital camera.
then press the button on the remote while it then there will be light from the remote sensore.
if no light then it should be fixed or in the exhaust to my place he he.
hopefully this information useful
The easy way to detect the tv remote
Many remote-control problems can be fixed easily
infrared motion detector with cell phone camera