Corona V3 with Demon installed: wont turn on with USB plugged in.

[asagoren]

Did someone already occurred malfunction as ן mensionקed in the title?
It has happened to me once with V3 console that i did and now it's happening to me in two V3 and I do not know what causes the problem.
I tried to update the Demon and solder all over again. Nothing helps

 

[BL4K3Y]

Post some images of your install please.