Display artifacts with R7850 Twin Frozr

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roland2

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Apr 1, 2013
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I recently completed a new build (Windows 7, SP1) using an MSI R7850 Twin Frozr display card (OC Edition). As with the system I was replacing (also Win7), I have dual displays connected to the card. In the old build, both displays worked perfectly. With the new build, the primary monitor (Dell 2007FPb, 1600 x 1200 @ 60 Hz) displays fine at boot-up but quickly begins to show artifacts in the form of horizontal blue lines moving rapidly from left to right across the display. Within a few minutes, the display is filled with blue lines. Soon thereafter, the display does one of two things: (1) goes black except for the message "Out of range signal, cannot display this video mode, changed display input to 1600 x 1200 @ 60 Hz", or (2) gives "Entering power save" message, goes black for several seconds, and then restarts without the display artifacts. Once the 1600 x 1200 resolution displays without artifacts, for the remainder of the day the display is flawless. The next morning when I start the computer, the display artifacts appear again.

I've tried the following to fix this: (1) switched the display cables (DVI) between the two monitors, (2) moved the display card to the PCI-Ex8 slot (from the x16 slot) to determine if this was a problem with the x16 slot, and (3) reinstalled the monitor driver. None of these efforts has gotten rid of the artifacts. In addition, Device Manager indicates that the monitor and motherboard drivers are up to date.

I'd really appreciate any suggestions on how to resolve this.
 
Solution
Feldmarschall
23fps, score = 1380

According to Furmark your score is pretty low. :??:

Today we had and still have problem with Dell monitor on Ati card with active DP connection. Due to research i found that it's possible that your video card does not send signal which is required for monitor to work properly so it has to reset itself, or your card sends good signal but monitor can't manage it.
It would be nice to try that Dell 1600*1200 on other PC. It will give definite clue what's wrong.

But i would put my money on video card.
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rdc85

rdc85

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Apr 29, 2012
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U had dual monitor if i'm not miss read..

monitor A, primary, had artifact at boot but after it "restart" the problems gone...
what about monitor B, the second one, is it behave the same?

what happen if u switch A with B, B became primary ?
are the monitor B behave same as A when it became primary ?

Have u try in low resolution mode (vga mode) when starting windows?

Have u tried install Afterburner, downclock a little (don't forget to set the profile so it automatically applied at startup) are the problem is still happen?
 
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roland2

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Apr 1, 2013
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Feldmarshall: Thanks for the response. The refresh rate for the Dell monitor is set at the recommended 60 Hz. The second monitor is an even older Dell (1901FP). The maximum display resolution for this 2nd monitor is 1280 x 1024. It does not show any artifacts when connected as the primary display. However, the 2007FPb monitor also does not show artifacts when set to this lower resolution.
 
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roland2

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Apr 1, 2013
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I tried reseating the graphics card in the original PCI-Ex16 slot and when that didn't work I moved it to the x8 slot. Neither attempt solved the problem.
 
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roland2

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Apr 1, 2013
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RDC85: Thanks for the response. The Dell 2007FPb monitor does not show artifacts when it is the primary monitor and is displaying a lower resolution (e.g., 1280 x 1024). The second monitor has a lower maximum resolution (1280 x 1024) and never shows artifacts when primary or secondary. I have not tried downclocking the display card. Can you suggest how to do this?
 
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roland2

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Apr 1, 2013
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10,510
 
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Feldmarschall

Feldmarschall

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Mar 9, 2013
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23fps, score = 1380

According to Furmark your score is pretty low. :??:

Today we had and still have problem with Dell monitor on Ati card with active DP connection. Due to research i found that it's possible that your video card does not send signal which is required for monitor to work properly so it has to reset itself, or your card sends good signal but monitor can't manage it.
It would be nice to try that Dell 1600*1200 on other PC. It will give definite clue what's wrong.

But i would put my money on video card.
 
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Solution
R

roland2

Honorable
Apr 1, 2013
7
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10,510


The score seemed pretty low to me too, but there weren't any benchmarks for a 1600 x 1200 display so there isn't anything to compare it to (that I could find, at least). The Dell 1600 x 1200 monitor was connected to my previous build for 5 years and never had this problem. The first time I connected it to my new build it showed artifacts. That certainly suggests that the monitor isn't the problem.

I guess I'll RMA the card, but I sure hope the replacement card doesn't produce the same problems. Thanks for your help.
 
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R

roland2

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Apr 1, 2013
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I just installed the replacement card that MSI sent me and the display artifacts are gone. In addition, the FurMark scores are much better: score = 2640, 44 fps. So, you were right - the problem was indeed a faulty display card. Thanks again for your help with this.
 
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