Mb baked gpu

Feb 3, 2019
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My gpu was working for 3 months and then suddenly my pc turned off and my gpu was baked and there was black residue in the PCIe slot of my motherboard. It smelled burnt and when I tried another PCIe slot it started smoking. My mb is msi z370 a pro my gpu is a msi 1080ti and my psu is evga 750 watt. What happened and what should I do?
Gpu pics
http://imgur.com/ybuGWKQ
http://imgur.com/Ys2EqVg
http://imgur.com/SHtWrbe
http://imgur.com/G33Mzqo

Edit: i forgot to mention that i think the black residue is some dried liquid so that could be the cause of that water damage also pic of mb
http://imgur.com/ZaGyiUs
 
I would definitely stop trying to power on the machine and unplug it first. The main damage seems to be on the power portion of the pcie connector, but the rest looks singed aswell. More than likely your motherboard is dead. If your lucky, Your video card may be ok after cleaning the connector, but this is unlikely. Your psu, ram and cpu are probably ok.