antec 750w

Does anyone have a diagram or just know what each wire on 4 pin fan connector does? Like what's positive, negative and does nothing? I can't find it anywhere on the internet. https://ibb.co/qpQSr3Z

My rig turns off without a warning, but all the ports on the motherboard and the front panel work fine (stays on) after this happens. System fans, cpu fan, motherboard, rgb and gpu turns off. This is happening from 4-5 days even when im not doing any heavy tasks or playing games. The...

When i turn my laptop on i get this grey horizontal lines with a black square in the right hand corner of the screen. But when i 'm on the internet the screen turns white. This only happens on the laptop screen, not when it's hooked up to a tv.