Anet A8 suddenly did this. Turning on/off does nothing. How would i go about fixing it?

https://i.reddituploads.com/6e4aec07a60448d6bfa3fb00fd28fdf3?fit=max&h=1536&w=1536&s=ebaec0ac3238754c92f44ff25f4c5fb3 https://www.reddit.com/r/3Dprinting/comments/5c3mvf/anet_a8_suddenly_did_this_turning_onoff_does/?utm_source=ifttt