Portal 2 > General Discussions > Topic Details
Brynjolf de Havilland Mar 31, 2013 @ 9:08am
Frequent graphics card glitches while playing
This has been going on since I started the game. At random intervals of about 2-10 minutes (I never counted), Portal2 will freeze and the sound will loop*loop*loop*loop. I cntrl-alt-del into Task Manager, open the game again from there and it will continue fine from the point at which it glitched, until it happens again. The reason I think this is a GPU problem is that once (once, mind you, out of like 50 times) I got a popup telling me my graphics card had crashed... I went and installed the newest driver from the nVidia website and it didn't fix the problem - all it did was temporarily mess up Minecraft.

I've got an nVidia GeForce GT 650M 2GB gfx card and an Intel i7 2.4 ghz CPU, if that helps.

Has anyone else experienced this problem / know how to fix it?
Last edited by Brynjolf de Havilland; Mar 31, 2013 @ 9:10am
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RenegadeAI Apr 1, 2013 @ 10:02am 
well your computer definetly meets minimum requirements.... have ou messed with the settings in the NVIDIA Contol Panel?
Last edited by RenegadeAI; Apr 1, 2013 @ 10:03am
Brynjolf de Havilland Apr 1, 2013 @ 11:14am 
I haven't messed with them much... I'll go mess now and see what that does. Ty
Дłєжαηđяе Apr 27, 2013 @ 5:27am 
Exactly the same problem :(
What is you laptop ?
Brynjolf de Havilland Apr 27, 2013 @ 7:28am 
It's an HP ENVY dv6 model. The funny thing is that everything else including TF2 runs perfectly.
Дłєжαηđяе Apr 27, 2013 @ 7:57am 
Yep, the same .. TF2, UT2004 & Sonic Generation working fine so far ..
Asus N56VZ here

Asus driver 306.68 => sonic 4 ep 2 & portal 2 not starting
NVidia 314.07 (just before the latest) => sonic starting, portal 2 freezing
NVidia 314.22 => instead of having portal 2 freezing, I'm getting BSOD with DPC Watchdog Violation error ..

Weird, hope it's not a hardware problem ..
Дłєжαηđяе Apr 27, 2013 @ 7:58am 
Maybe http://steamcommunity.com/app/620/discussions/0/810922320239484 related a bit ..
Oh and same with a Portal2 redownload ..
Дłєжαηđяе Apr 27, 2013 @ 9:27am 
What is your advanced setting Image detail, just after Multicore rendering ?
It seem's that the game if freezing when set to Low or Medium, not when on High or Very high o_o
Last edited by Дłєжαηđяе; Apr 27, 2013 @ 3:17pm
Дłєжαηđяе May 2, 2013 @ 12:02pm 
Solved ?
Brynjolf de Havilland May 2, 2013 @ 1:01pm 
It's been doing it less, perhaps because of windows updates, and perhaps because I don't play Portal that often :p

I can't gather anything from it, other than that it's a problem with the game and not my hardware. I could report the problem to Valve, see if they'll fix it, but I'm not that desperate.
Last edited by Brynjolf de Havilland; May 2, 2013 @ 1:02pm
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Date Posted: Mar 31, 2013 @ 9:08am
Posts: 9