no port

Comment or Message Hello, my pc currently has no post. The case fans spin, the gpu fans spin and so does the cpu, but there is no image and none of the usb ports work, can this be fixed?

Hello everyone. I am posting here since I've tried almost everything but I can't get my system to boot. I can't even see my BIOS. After I press the power button on my computer it just says ''No signal''. Also I have made sure that the basics are there such as power on and every cable is plugged...