White bar and vibrate

[Android Central Question]

Slim white bar, 1.5" long, .5 inches below top right of screen. Vibrates when touched. On all screens, vibrates and comes right back.
Android 7.1.1 Moto e4. Just appeared. What is this and how to remove? Thanks.

 

[B. Diddy]

Welcome to Android Central! No icons or text on it at all? Show us a screenshot: http://forums.androidcentral.com/ge...ide-how-post-screenshots-android-central.html. You'll have to register on this forum first. https://forums.androidcentral.com/a...in-android-central-community.html#post3754828