Hi, i’m trying to Indicate AlexaPi’s State with LEDs and i don t know how to pul the wires into the breadboard. Can somebody please explain me?

I have no ideea what is going on. It worked perfectly until today. When i tried to turn it on this happened(i think it s rebooting). I changed the power supply , even i used the main one from raspberry pi 3 b+ , and it still oesn’t work. Any ideas?