My eyefinity array is screen tearing, and as far as I can tell it is a curse sent directly from hell. Here's the full story:
I've been running a 3x1920x1200 (6016x1200 with Bezel Comp) Eyefinity group for about a year now on a Radeon 5830. I overclocked it to the maximum using MSI (the maximum "official" overclock as voltage adjustment was impossible) and never had any problems. I decided to upgrade a month ago. I bought the MSI Twin Frozr III 6950 or something like that. I put the same overclock on it, and temperatures never exceeded 85 F under full load. I didn't know about reference cards back then so I was angry at being unable to adjust the voltage. Anyhow, I'd had it for 2 weeks when I noticed the right screen (the displayport-connected monitor) begin the screen tear--always (games, desktop, everywhere). Sometimes it would go away and return in a different spot at seemingly random intervals. I troubleshooted and determined that it was not the monitor and when I put the old 5850 in again, things went back to normal (I had to upgrade drivers when I got the new card but that went smoothly). So I decided I wanted a reference card anyhow and RMA'd it back to Newegg, minus the 15% restocking fee.
So I went back to the old 5830 for a few weeks without hiccup.
Then I bought the XFX HD 6970 697A-CNFC--a reference card. I installed the card and things were good--it only took 1 reboot and no action on my part to get the drivers and display working (aside from rebuilding the group and bezel compensation). Then I applied a light overclock without pushing past the "official" limits (900 to 950 mhz on the clock and 1375 to 1450 on the memory clock). Then when I began to play a game, excited about my new and improved graphics capabilities, I made it about 5 seconds before the middle screen began to tear. When I closed the game, I noticed later that the LEFT screen began to tear also (which effectively rules out anything involving displayport vs DVI). I swore loudly both times.
So I uninstalled ALL ATI and AMD display drivers and used Driver Sweeper to clean up the rest, rebooting between each step. Then I reinstalled the drivers (catalyst 11.8), rebooted...strangely, the software "remembered" my Eyefinity group and all my settings (wtf?) and the screen tearing is back--the middle and left monitors. I swore again. The tearing line moves around but it's always there. I'm at my wits end. What is wrong here?! I have no idea what to do.
Any and all help will be my salvation, and hence much appreciated.
I've been running a 3x1920x1200 (6016x1200 with Bezel Comp) Eyefinity group for about a year now on a Radeon 5830. I overclocked it to the maximum using MSI (the maximum "official" overclock as voltage adjustment was impossible) and never had any problems. I decided to upgrade a month ago. I bought the MSI Twin Frozr III 6950 or something like that. I put the same overclock on it, and temperatures never exceeded 85 F under full load. I didn't know about reference cards back then so I was angry at being unable to adjust the voltage. Anyhow, I'd had it for 2 weeks when I noticed the right screen (the displayport-connected monitor) begin the screen tear--always (games, desktop, everywhere). Sometimes it would go away and return in a different spot at seemingly random intervals. I troubleshooted and determined that it was not the monitor and when I put the old 5850 in again, things went back to normal (I had to upgrade drivers when I got the new card but that went smoothly). So I decided I wanted a reference card anyhow and RMA'd it back to Newegg, minus the 15% restocking fee.
So I went back to the old 5830 for a few weeks without hiccup.
Then I bought the XFX HD 6970 697A-CNFC--a reference card. I installed the card and things were good--it only took 1 reboot and no action on my part to get the drivers and display working (aside from rebuilding the group and bezel compensation). Then I applied a light overclock without pushing past the "official" limits (900 to 950 mhz on the clock and 1375 to 1450 on the memory clock). Then when I began to play a game, excited about my new and improved graphics capabilities, I made it about 5 seconds before the middle screen began to tear. When I closed the game, I noticed later that the LEFT screen began to tear also (which effectively rules out anything involving displayport vs DVI). I swore loudly both times.
So I uninstalled ALL ATI and AMD display drivers and used Driver Sweeper to clean up the rest, rebooting between each step. Then I reinstalled the drivers (catalyst 11.8), rebooted...strangely, the software "remembered" my Eyefinity group and all my settings (wtf?) and the screen tearing is back--the middle and left monitors. I swore again. The tearing line moves around but it's always there. I'm at my wits end. What is wrong here?! I have no idea what to do.
Any and all help will be my salvation, and hence much appreciated.
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