I cant play guildwar2 . I am 7970 Crossfire user and got problem with new lastest driver. I got screen flick during i use internal ingame window. like Equipment or buy or trade item at post. and game quiting me to IE twice time or triple time. at first time is I open game around 2 min after i open it. its pop up ie program and it said ie shutdown and back to game . but more annoy thing is incorrect in game graphic . some armor and weapon is present at wrong color shade 

I believe a single 7970 is enough to run GW2 maxed @ 60fps so why spend more power over-render it with frames you will never see?

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you speak like a Dev team is see only Theory and result and logic . its MMO game and its mass render when war time and in town . What reason  to made ppl use Tri or Quad VGA on they pc? its bcouz they dont wanan see graphic lag during zerg ppl is pop on screen and its always happen  in mmo . or FPS is have 64 slot on it.

 

I play gw2 and new driver 12.10 is full bug. even i try to use single card it still present fully bug

Nah Zipsi, GW2 uses a 6 year old modified GW1 engine, which doesn't take to Crossfire that well. Even on my overclocked 5970 using the GW2 profile (which you have to manually create a profile for GW2 and in the Used Pre Defined Profile point it to Gw2*.exe because that asterisk prevents Crossfire from working) I get between 40-60 FPS, granted it's at 1920x1200 all details maxed (with no flickering). If what I hear about the HD 8000 series is true (that it will be like the HD 6000 series was to the HD 5000 series, an efficiency update rather than a performance update), I'll end up waiting for the HD 9000 series, if I still have any hearing ability left, this 5970 is l-o-u-d!

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Crosshair IV Formula, Phenom II x4 965 w/ Corsair H60, 8 GiB OCZ Platinum DDR3 1600, XFX HD 7970 Ghz, 512GB Vertex 4, 256GB Vector, 240GB Agility 3, Creative X-Fi Titanium w/ Creative Gigaworks S750, SeaSonic X750, HP ZR2440w, Win 7 Ultimate x64