My Note 4 blaster doesn't light up, how can I get it working?

[AC Question]

.not for app it's blaster doesn't lit up please help me it worked before

My note 4 blaster doesn't even lit up it is not functionable help me with it please

 

[B. Diddy]

Re: .not for app it's blaster doesn't lit up please help me it worked before

Welcome to Android Central! Are you talking about the IR blaster? Does the problem persist after a reboot, or if you boot into Safe Mode? Galaxy Note 4 Safe Mode: What you need to know | Android Central