Dayz freezing to Black Screen

[pegruder 1]

So I have a weird issue with DayZ that "MAY" be heat related on my GPUs.  I have a core i7 8GB RAM with 2 ATI 6770s in XFire.  I notice as I play DayZ when my GPU hits 82-84deg C, the game freezez, goes black screen then to desktop.  At this point temp instantly drops to low 60sC, I can alt tab and continue playing.  Is 84C too hot?  I pretty much play any game on high or Ultra settings without any issues.  I already popped both apart, cleaned all dust and added fresh thermal paste with no change.  To help out with this, I used some leftover ducting I had to pretty much pipe my air conditioner to the front of my case for fresh ice cold air lol.  This extends my play time to either having little or no freeze ups.  I've heard that 100+C is the threshold for temps on GPUs so I can't see 80s being too hot, but Im no expert.  Anyone else having these kinds of issues?  Ive read about freeze ups, but none seem to have it nailed down to GPU temp related.

[kichilron 8550]

When you've got problems with overheating you should definitely contact our beloved Mod Fraggle:

 

http://dayzmod.com/forum/index.php?/user/44910-fraggle/

[monoking 22]

I get the same symptons when i overclock my gpu too much.

You probably have a faulty card. They can take a beating around 105C. When they overheat too much they just throttle back to get the temp down.

Try popping one card,one by one to check out if it happens with one card too.

[pegruder 1]

I get the same symptons when i overclock my gpu too much.

You probably have a faulty card. They can take a beating around 105C. When they overheat too much they just throttle back to get the temp down.

Try popping one card,one by one to check out if it happens with one card too.

 

This is something I haven't tried yet.  I actually just picked up a 200mm side fan for my case in hopes of getting some more air to the cards.  The front fan is kinda weak too and could use upgrading.  Non reference coolers on both these cards too so Im shocked they get that hot in the first place.  Worse case these cards need to get me by to December.  Ill probably upgrade them then.