How much ram are you using and how big is your power supply? A lot of high 
end video cards need lots of ram and power. Also heat will cause a lot of 
problems. If you have no issues with ram and power supply then you may need 
to look at getting more air flow in your case.
Kip
----- Original Message ----- 
From: "John Powell" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, July 03, 2006 1:54 PM
Subject: [PCBUILD] Problem with newly purchased 7900 GT Card


Hopefully someone can help me with an interesting problem.  A few weeks a=
go I upgraded an older Athlon system of mine with a new motherboard, proc=
essor and memory.  After a few days of driver and bios updates, I got eve=
rything to work well.  Also did a fresh install of Win XP.  Then a few da=
ys ago I upgraded the Video Card (from eVGA 5900 to LeadTek 7900 GT) and =
now one of my favorite games -- Dungeons & Dragons Online: Stormreach -- =
does not work correctly.  After playing the game for a few minutes, the g=
raphics start looking corrupted and the problem keeps getting worse until=
 the system crashes.  Usually I get a blue screen that indicates an infin=
ite loop error in the graphics card and/or drivers, but sometimes the sys=
tem just hangs.  The weird thing is that Serious Sam 2, which came bundle=
d with the card, works fine, but Black & White 2 seems to be a bit slower=
, but hasn't crashed yet.  Also, 3DMark05 works fine, but 3DMark03 shows =
the same problem as D&D Online.  Another thing, once the image corruption=
 starts, even if I exit the program before the system hangs, the problem =
keeps getting worse, even while I try to work with just Win XP, until the=
 system hangs.  What is going on?  Is the card bad?  I'm working with the=
 latest nVidia drivers and Audigy drivers, so the drivers can't be out of=
 date.  Here's a quick summary of my system

MB -- ASRock 939Dual-SATA2 w/ most recent bios update
Sound Blaster Audigy ES card w/ most recent drivers
LeadTek 7900 GT (PCI Express) w/ most recent nVidia drivers (I think ver.=
 91.13)
Old card was 5900 (AGP) that worked just fine

Any information would probably be helpful since I'm at my wit's end on th=
is one.

John

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