The keyboard immediatly came back to daily life. So I brought it residence and now it really works once more. But now it randomly shut down and I really have to plug it during the USB 3.0 at work once again to make it work yet again. Razer pls. Brush https://razorblackwidow27271.bloggip.com/6032484/indicators-on-razor-black-widow-you-should-know