Ok guys, I know the fix. Had this problem when I first bought th OB.
You have to set the launch options  to this : -dxlevel 91 This will
fix all freezing.Also, this runs almost maxed out my machine.

On May 15, 4:55 am, iamturok <[email protected]> wrote:
> (Newbie here)
>
> I was using the Sigma drivers on my GMA 945gm. I tried playing Portal,
> it was lagging like crazy, then it crashed. Went back to Alpha, same
> result. Back to v1.1 for me, since besides Portal, I was getting worse
> performance in other games also (Torchlight, Command & Conquer
> Generals. some others) than the 1.1 MD. It boosted performance in
> OpenGL games though, too bad I only have a few that use it.
>
> v1.1 Win7 are amazing. haven't had problems yet. Although, does anyone
> know how to fix the maintain aspect ratio bug? Where with windows 7
> GMA drivers, only stretch & center to screen work? Probably wrong
> place, if so, I'll post a new topic about it
>
> On May 13, 6:56 pm, Dániel <[email protected]> wrote:
>
>
>
>
>
> > Yep, even with the modded drivers =( For me at least. Or which modded
> > driver should/would/could/known to work? =S
>
> > Please help, my lapy is for work also so no win7 for me :S
>
> > On máj. 13, 21:14, Espionage724 <[email protected]> wrote:
>
> > > XP + Portal = Crashing, most of the time it happens when you walk
> > > through the first portal.
>
> > > I guess the same is for all stock drivers though?
>
> > > On Thu, May 13, 2010 at 1:30 PM, AngelicTears <[email protected]> wrote:
> > > > stock driver cant play source engine games flawlessly...install modded
> > > > driver and play ^^
> > > > windows 7 give the best performance with source games,
>
> > > > On Fri, May 14, 2010 at 12:45 AM, Vash <[email protected]> wrote:
>
> > > >> everytime I enter the first portal the game crashes. I have the
> > > >> manufacturers driver 1gm ram and intel celeron 2.66.
>
> > > >> --
> > > >> INTEL 9xx SOLDIERS SANS FRONTIERS
>
> > > > --
> > > > INTEL 9xx SOLDIERS SANS FRONTIERS
>
> > > --
> > > Espionage724 Has A Signature...
>
> > > --
> > > INTEL 9xx SOLDIERS SANS FRONTIERS
>
> > --
> > INTEL 9xx SOLDIERS SANS FRONTIERS
>
> --
> INTEL 9xx SOLDIERS SANS FRONTIERS

-- 
INTEL 9xx SOLDIERS SANS FRONTIERS

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