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Easy Tweak to Avoid StarCraft II Overheating PC

by - source: Tom's Hardware US

This is what happens when you have TOO much power.

If you've got StarCraft 2, we don't doubt that you've been enjoying it immensely over the past few days. Of course, like any other new product, there are a number of issues that you should be aware of.

For those of you with exceptionally fast systems but just barely adequate cooling, be aware that there are certain screens that make your hardware work pretty hard, and potentially cause overheating.

Screens that are light on detail may make your system overheat if cooling is overall insufficient. This is because the game has nothing to do so it is primarily just working on drawing the screen very quickly. A temporary workaround is to go to your Documents\StarCraft II Beta\variables.txt file and add these lines:

frameratecapglue=30

frameratecap=60

You may replace these numbers if you want to.

Of course, if you're not having any heat issues, it's nice to know that you're not running with any sort of frame rate cap at all.

Other known issues at present time include:

The installer allows multiple copies of the game to be installed

Unlike previous Blizzard installers, this one will always let you install another copy of the game. It does not check for previous installations so be careful of how many folders you end up making.

Compatibility Modes will not work properly

Attempting to run StarCraft 2 on a compatibility mode (Windows XP SP3 from Windows 7, for example) will make it crash. Please run the game normally.

Black Screens

There have been multiple reports of black screen issues being related to the use of a Quick Cam webcam.

In some cases exiting out of the software has resolved the issue but others have reported a need to uninstall the software for the camera in order to resolve the problem.

There are also reports where some security programs like Comodo firewall can cause the game to start and stay on a black screen.


We have a list of known bugs that will affect StarCraft II's operations.

* A language pack error may occur under certain conditions.

      - Potential Fix – Ensuring your system clock is correct can help resolve the error.

    * Players can send voice but do not receive voice in game on Windows 7 machines with Realtek HD Audio sound cards when the Output Device on the Sounds Menu option is set to the Speakers.

    * Sound does not play properly on some hardware set to 7.1 sound on Windows Vista/Windows 7.

      - Potential Workaround – Change sound output speaker options to 5.1 or lower.

    * Changing the OS speaker mode on Windows Vista or Windows 7 while the game is running causes all sound to stop

    * Players that are attempting to download or install to a Hard Drive using the FAT32 file format will be unable to download or use the digital installer.

      - Workaround – Download or install the digital client to a NTFS formatted hard drive.

    * Mac version 10.6 – Occasionally a crash is occurring with Nvidia drivers.

    * Mac - Using a USB headset will drastically lower in game FPS.

    * There is a chance where multiple graphic issues may occur for units, structures, terrain, and transmissions.

      - This tends to be one set of objects (like a supply depot) or level of terrain where textures are swapped or look a bit psychedelic. It doesn't affect the whole game screen or cause any other visual oddities.

    * Galaxy Editor - Terrain editor lags when dragging the mouse around on the map.

    * Galaxy Editor - Changing certain values in the Galaxy Editor is causing a crash while in detail view.

    * Graphical corruption can occur when Paged Pool memory gets low.

      - Potential Fix – Close unnecessary background applications and restart client.

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fyasko 08/01/2010 10:47 AM
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better or more case fans maybe?

Ragnar-Kon 08/01/2010 10:51 AM
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Quote :Mac - Using a USB headset will drastically lower in game FPS.

HaHahahahaha.... classic.
How the two are even related boggles my mind.

xyzionz 08/01/2010 10:57 AM
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I don't know about all this bugs or whatsoever problems, but I think that starcraft 2 might just become the new furmark lol
200 units each player in 8 player war hahaha, imagine that
and clash in the center of big game hunter, wonder that map still around in sc2?

joytech22 08/01/2010 11:40 AM
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hardcore_gamer 08/01/2010 11:45 AM
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I'm not having any issues...great game btw :D

Tamz_msc 08/01/2010 11:53 AM
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bearracuda 08/01/2010 12:07 PM
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"Sound does not play properly on some hardware set to 7.1 sound on Windows Vista/Windows 7."

- Potential Workaround – Change sound output speaker options to SUCK or lower.

REYNOD 08/01/2010 12:16 PM
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Our preordered copy arrives tomorrow morning ... must be the last of the flipping 850,000 preorders I recon ... dead last.

Jeez Blizzard ... we beta tested for two previous games for you ... you could have given me a freebee this time.

I still have the music from Starcraft I going round in my head.

I must have smoked too many cubans with my motorbike helmet on while playing the game eh?

compprob237 08/01/2010 12:35 PM
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Graphics intense?
I got a Pentium IV 2.4ghz (northwood, 800mhz FSB) with 2gb ram and a 6600GT running it without much trouble. Albeit, it's at almost all minimum settings but... that's a 7 year old system (3-4 years for the GPU)?

Some of these issues I can understand. Some of them though, Some companies just CAN'T test for every single hardware configuration. Hence why they release patches/fixes later on. Think of it like this: if they're releasing patches/fixes at least they're trying to fix the problems. (eyes a certain company that starts with an A that decided to fix the problem only after people started complaining)

Also, most of these "issues" sound quite minor (except for the Mac issue sounds like driver/interface related and possibly a minor code tweak will fix it).

Anonymous 08/01/2010 1:29 PM
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on my setup the sound is ONLY in stereo mode. in EACH and EVERY other game i can have 5.1 without any troubles, both analog 5.1 and trough digital dolby pro logic. both do not work in starcraft2. (win7 64, i7, 6gb)

and yes, it is f.. incredible, that the least pretty the screen, the more fan noise i can hear.

devorakman112 08/01/2010 2:00 PM
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the overheating issue is no joke, i beta tested the game since day one, and on my exceptionally dated geforece 5500fx, it ran decently on minimum settings, but temps did go up a bit (not unexpected)

many, many people complained of video cards actually becoming damaged from this problem. i cannot believe blizzard didnt install some kind of auto cap on menu screens, this problem should have been forseen.

MF Doom 08/01/2010 2:02 PM
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I'm pretty sure you mean "Documents\Starcraft II\variables.txt" No "beta" involved, otherwise you'll be looking for a file that doesn't exist for a great while.

nukemaster 08/01/2010 2:21 PM
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compprob237, So your saying having issues with Realtek cards(not hear in game voice?) that are in 90+% of Windows 7 system is not a big issue. I am sure this should have been caught in the Betas.

ap3x 08/01/2010 2:24 PM
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Tamz_msc :
Is SC2 that much of a graphics intensive game that it is causing overheating problems?The graphics seem dated to me.There is absolutely nothing to justify such performance for what seems like 2 year old graphics.What was twelve years of hype for?SC2 is a good game but nothing as revolutionary as the original was.Maybe the original StarCraft set the bar too high for even its sequel to match.



What are you talking about SC2 is exactly the same as SC1 but with some new units and a new story and a whole lot of spit shine. It is just that it is not being compared to more current RTS's that kick it's ass at everything except for the stuff Blizzard does well at. COH, SupCom to name just a couple. There is nothing revolutionary about either game. The first one was just great for it's time but even then you had Total Annihilation that was revolutionary.

demonhorde665 08/01/2010 3:11 PM
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bearracuda :
"Sound does not play properly on some hardware set to 7.1 sound on Windows Vista/Windows 7."- Potential Workaround – Change sound output speaker options to SUCK or lower.




5.1sound does not suck .. only a rich a-- spoiled baby would think otherwise .. seriously who has room for 7 sat's most people i know barely manage to fit 4.1 or 5.1 sound set ups on thier desk. heck 2.1 if it's teh right quality adn wattage sounds just fuckign awsome even (logtech makes a rather awsome set of 2.1's) , what's more ,no game actually outputs true 7.1 audio any way , every thing is on 5.1 so what sucks about audio with less than 7.1 speakers ???

HTDuro 08/01/2010 3:21 PM
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randomroger 08/01/2010 3:44 PM
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So, the GPU works harder when each screen is easier to render? Is drawing a lot of easy frames quickly harder than drawing less hard frames? Either way, it sounds like it would push the GPU the same as there's no cap...

topcold 08/01/2010 3:52 PM
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In the *BETA* folder? Why beta?

JimmiG 08/01/2010 5:00 PM
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randomroger :
So, the GPU works harder when each screen is easier to render? Is drawing a lot of easy frames quickly harder than drawing less hard frames? Either way, it sounds like it would push the GPU the same as there's no cap...



I guess there's less holding the GPU back during simple scenes - less PCI-E transfers, less VRAM-GPU transfers, less work for the CPU to do. etc. So it's just spitting out frames.

The scene that Furmark draws doesn't look very complicated either, but it pushes the GPU much harder than Crysis etc. When the 4870 VRM's started overheating when running Furmark, many were concerned that this might happen in real games too. ATI's response was that no game pushes the GPU as hard as Furmark. But maybe they didn't tell the whole truth?

tayb 08/01/2010 5:19 PM
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This was beta tested for months by thousands and thousands of people and blizzard ignored almost all of the comments except for those pertaining to balance and gameplay. I mentioned almost all of these sound problems back in April on the sc2 forums and I was definitely not the first or the last to do so. What a shame. Blizzard has been aware of these issues for months.

topcold 08/01/2010 6:12 PM
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Well, I can report IT DOES NOT WORK - the shit still gets ridiculously hot. But its typically blizzard, from you report a bug to it gets fixed it usually takes at least a year, sometimes longer and usually never.

JPHD 08/01/2010 6:19 PM
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This is where consoles beat pcs imo. Developing for the pc is waaaay harder. Having to support the full spectrum of hardware and software out there must be a nightmare. Different version of Operating Systems, security solutions, all sorts of drivers, damn! sounds like a lotta work to me. I'll give it up to the PC enthusiasts though, when all of those things come together, pc puts consoles to shame. still, I prefer to plug a disk into my ps3 and not have to worry about anything. Gears of War on the pc (too many bugs) killed pc gaming for me. that is... until SC 2 came out. ;)

cybot_x1024 08/01/2010 6:35 PM
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Ragnar-Kon :
HaHahahahaha.... classic.How the two are even related boggles my mind.



hahahaha! after bending over backwards and paying for the system with a kidney and half your liver, you are faced by such an issue! :D

pollom 08/01/2010 6:36 PM
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Starcraft II is great but no language pack (if you bought Latin America version you can only install Portuguese and Spanish) Star Craft for Latin america susx. And is buggy I try US version and LA and LA version have a lot of bugs.

trialsking 08/01/2010 6:41 PM
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makwy2 08/01/2010 7:10 PM
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So SC2 is buggy. That's reality folks. It is especially unfortunate when its 11 years in the pipeline but when several million people get the game in the span of days a lot of bugs and faults will show themselves.

braneman 08/01/2010 7:11 PM
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man this is why I like blizzard, they already announced a patch to implement chatrooms and they admit bugs and post workarounds so you don't have to dig through forums to find a solution.

Regulas 08/01/2010 7:14 PM
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HTDuro :
hmmm dude lol alot of ppl play on home LCD TV now , and ppl have home theater audio plugged to it .. you see more of those setup right now. but directly on pc .... if you got a dedicated room for pc like me, you will have a 7.1 trust me


I have a room but no 7.1. I still use a $200 pair of Monsoon Flat panel with a subwoofer, 2.1 great sounding speakers too bad they are out of buisness. Use a 24" Samsung 1920 x 1200 monitor.
Have given it thought before but setup would suck, wires and all.

Regulas 08/01/2010 7:20 PM
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Blahhh haaa, beta testers. Will be waiting for the Battlechest Edition when I can get all three parts for this no LAN support milk machine of $63.55 (tax) a pop of 3 installment game and the patches are written. For you na sayers, I bet Activision sets the next two releases at the kiddie console price of $59.95
Since the original does not play properly on my Windows 7 gaming rig, video issues My Minimac OS X runs it just fine, go figure.
Fallout 3 New Vegas is what I am waiting for.

Pei-chen 08/01/2010 7:22 PM
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Pei-chen 08/01/2010 7:24 PM
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Ragnar-Kon :
HaHahahahaha.... classic.How the two are even related boggles my mind.


cybot_x1024 :
hahahaha! after bending over backwards and paying for the system with a kidney and half your liver, you are faced by such an issue!


Really? You two computer enthusiast have no idea why CPU and USB are related?


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