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ATI 3870 xf issue, help needed

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Joined
30 Sep 2008
Posts
2,081
Ok so im running two 3870 in crossfire but now when i try to rotate the screen ccw the screen goes black and PC locksup....as in the mouse goes dead (LED wont light up) & keyboard caps lock LED is dead.

Manually reboot the machine and the desktop is now roated CCW ok

Another thing, when playing Left For Dead, the performance drops to teen fps when i get to end of campains with loads of tree's. This is made worse when firing the gun off (creating shadows all over the place, more work load etc).

Never did this before.


I uninstalled the drivers via "ATI uninstall utility" in Programs & Features
Installed latest drivers but exact same issue. Also my overclocks remains in ATI CCC, which is odd because that doesnt normally happen.
 
Hey, almost identicle setup. what cat version are you running? i will test screen rotation for you when I get home.
 
Last edited:
Im still back on 9.1 or 9.2 (somthing like that) I will download and test 9.3 tonight and report back.
 
Ok, so far I have tested this on 9.2 and its seems to be working no problems at all rotating both screens 90 ccw and 90 cw, driver details below:

Untitled.jpg


Will just grab 9.3 and have a look as well.
 
- RESOLVED:
turns out COMODO Internet Security was causing the issue. Exited the program and all fine. The problem with Lfd was caused by CCC set to x8x16 and ingame settings as well.
 
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