Battlefield Bad Company 2 Causes My Computer to Crash....

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Vortex2012
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So I've been having a problem with Battlefield Bad Company 2 ever since I upgraded my graphics card. I had a 9600 GT for a long time and I upgraded to dual Radeon HD 6850s back in February. They work great with every game that I have except for BBC2. I can load the game up and start playing just fine, but after anywhere between 30 minutes to and hour or longer of play time, the screen will randomly turn black and white fuzz/lines/interference (not really sure how to describe it) will be at the top eighth of the screen, and a buzzing noise will be coming out of my speakers. After it does that for a few seconds, the whole computer restarts, but it usually won't boot until I manually turn off the computer and turn it back on again.

When windows boots back up after all of that, it usually gives me a message saying that the AMD video drivers failed.

When this first started happening, I decided to remove all the video drivers on my computer by running Driver Sweeper in safe mode. That got rid of all the AMD drivers and any remnants of Nvidia drivers that were still on my computer. Unfortunately, this did not help the problem.

I have also kept up to date with all the drivers. I think when I first got the new cards the driver version was 11.2, and I have 11.5 right now.

I also recently bought another hard drive and put it into raid 0 with the drive that I had in my computer originally. This caused to me to have to do a clean install of Windows 7. Even after all of this, I still have the same problem.

I did some googling around, and I can't really find anything other than people saying on other forums that it is an issue with Crossfire caused by an update that EA has not been willing to address or fix.

What do you guys think? Have you heard anything about this problem before? What do you think the problem is?

BTW, you can find my rig specs in my signature.

Intel Core i7 2600K @4.8Ghz | Corsair H100 push/pull | MSI Z68-GD80 | 8GB G.Skill RipjawsX @1600mhz 7-8-7-24 | 2x MSI GTX 580 Lightning Xtreme Editions in SLI | 240GB Patriot Wildfire SSD | 2x 1TB WD Caviar Black in RAID 0 (2TB) | 320GB Hitachi Deskstar | LG Bluray Drive | ASUS Xonar Essence STX | Polk Audio 2.1 speaker system | Sennheiser 558 headphones | Corsair AX1200 | Cooler Master HAF X | Windows 7 Professional 64-bit | Acer P243W 24" monitor (1920x1200)

d3uS2029
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disable or uninstall ATI's HDMI's audio. It causes problems i read on alot of systems. Disable any other onboard audio through motherboard bios if not in use as well.

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Vortex2012
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Well I tried that out, and I also got a configurator for the game and put it in DX10 mode instead of DX11 and that seems to have worked. I only tried it out for about an hour though, so I'll have to test it more and see what happens.

Tivon
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So you say it works for a while and then starts to corrupt and crash? Are all of your other games DX11 or less? I've heard of people having issues with that game and dual cards or gpu's. Dropping from DX11 to DX10 will use less shaders, perhaps easing off the pressure. Because it is summer time, everyone must take into account any overheating, power usage and cooling issues that will appear more frequently. If needed try taking overclocks down a few notches. Other things I would check are to set the fan at a high constant RPM speed. Also Remember to kill CCC and MOM processes for testing (those are Catalyst processes).

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dhlord64
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Sounds like an issue with the game (as that game was poorly optimized for PC)or an overheating issue. Although that 650 watt Ultra LSP power supply with 38 amps on the 12v rail worries me. If you have Speedfan check the temperatures and voltages and post them.

Vortex2012
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Speedfan is only giving me readings for my cpu and the rails I'm pretty sure. Anyway, here's what I've got:

Temp1: 38C
Temp2: 38C
Temp3: 51C
Temp1: 40C
Core: 48C

Vcore1: 1.39V
Vcore2: 1.78V
+3.3V: 3.28V
+5V: 5.00V
+12V: 11.90V
-12V: -10.06V
-5V: -5.11V
+5V: 6.85V
Vbat: 3.26V

d3uS2029
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Hows it running now? If its still okay then i guarantee you it was the audio thing.

Vortex2012
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Well, with the configurator and disabling the audio on the graphics cards, the crashes happen a lot less frequently, but they do still happen occasionally.

d3uS2029
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i forgot to mention to use a program called gamebooster. http://www.iobit.com/gamebooster.html

It turns off services that you dont need temporarily until you stop playing then you can turn the services back on. If you want to see how it works before you try it out then go here http://www.youtube.com/watch?v=K3Lm_qd-0OM

Its safe though. I use it for playing BF:BC2 Only

Snap89
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The reason why you're experiencing this is because, your CPU is overclocked.

BC2 doesn't like it when me or my friend overclock our AMD Phenom II X4 955 to 4GHz or anything ABOVE 3.6GHz - seems the game is stable at 3.6GHz so worth a try after doing the stock clocks, but every other game is fine. Can't confirm if overclocked Intel CPU's have this problem though.

But defently try stock clocks on the CPU and see how it goes.

d3uS2029
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Snap89 wrote:The reason why you're experiencing this is because, your CPU is overclocked.

BC2 doesn't like it when me or my friend overclock our AMD Phenom II X4 955 to 4GHz or anything ABOVE 3.6GHz - seems the game is stable at 3.6GHz so worth a try after doing the stock clocks, but every other game is fine. Can't confirm if overclocked Intel CPU's have this problem though.

But defently try stock clocks on the CPU and see how it goes.

This didnt work for me. Its ATI's drivers

Snap89
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Are you using Intel CPU or AMD?