Source games crash computer

[Pgpaw3]

Recently I have been experiencing a problem where my computer will shut down randomly and without warning while playing games. There is no timing to when it will do it, it just does. It doesn't go though the whole windows 7 shutting down sequence, it just turns off.

 

Pretty much the only thing it does this with is with Source games, but it has occurred once on Saints Row: The Third as well. I have reinstalled my graphics and network drivers and neither did anything. I have also turned my fan onto the highest setting and it still occurs.

 

I have an MSI GT70 with:

 

Intel i7-3610QM

3 GB Nvidia Geforce GTX 670M

16 GB of Ram

Windows 7 64 bit

 

Usually the split second before it turns off and it shows my computer, my network card software appears asking if I want to do an internet speed test.

 

It seems to only crashes on these games and I can play other games like DayZ, Borderlands 2 and Skyrim without issues.

 

If anyone has any ideas they would be greatly appreciated.

[DZComposer]

That's not good, and is a sign that the power circuit in the laptop may now be damaged.

Throw that bad power brick out immediately if you have not already and pray it didn't fry your laptop.

[Pgpaw3]

I took the computer and the charger to the shop I bought it at and they found that the charging port on the computer is cracked near the motherboard and that is what is causing the problem. I'm just getting them to fix it and I will have it back in a few days.