Computer Not working

Hello! Simple as the title: The motherboard worked fine for around a month, and then one day it wouldn't turn on-fans spin up and then crash, starts again and then crashes. Repeats like this infinitely. Nothing displays on the monitor, and no time to get into BIOS. However I have managed to get...

My PC does not have built-in bluetooth so I bought a bluetooth receiver, I was able to connect my wireless headphones to my PC. The connection was successful however there is no sound. Is there anything I could do to fix this?

Ok, I have 150-200 fps in Cs Go i have a 120 hz screen but i get alot of screen tearing. I tried with the command fps_max/59/60/120/200. And vsync does help a little bit but still get screen tearing and also get alot of input lag when i have vsync ON. Is there any fix to this ( I only get...