At&t Note 4 home button not working when pressed

Hello, my At&t Note 4's home button is not working correctly. When pressed it doesn't respond. It wont wake the phone or go to home screen when pressed. Fingerprint scanner, back and multi task/recent apps buttons work fine. Phone is on 5.1.1 and completely stock with stock Touch Wiz launcher. Is there anyway that I could fix this problem? Please help. Thanks.

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