My router has 4 ethernet ports, 3 of them have cables plugged in. One of the cables are broken. One of the computers on the other end lost it's power. I want a

My router has 4 ethernet ports, 3 of them have cables plugged in. One of the cables are broken. One of the computers on the other end lost it's power. I want a cheap router and i don't want to configure which ports that are supposed to be in use. How many error-leds do you expect to be flashing?