umm im sorry but my first language is not english and this is very hard for me but my video card isBefore any further troubleshooting can be done you need to correctly clean off the old and reapply a fresh amount of thermal compound, this to avoid frying your CPU, let us know if/when you have done this + if you are using one of the MBs integrated video ports or an add on video card, if an add on video card, post the brand and model name or number of any add on video card and the same for the PSU (power supply unit).
Asus GeForce GTX 1060 DUAL 6GB GDDR5