Topic Title: display port, link failure
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Created On: 12/30/2012 01:36 PM
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 12/30/2012 01:36 PM
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Joined: 12/27/2012

I have an ATI Radeon HD 5700 series video card. I have three 23 inch wide acer monitors hooked up to it. For months, things have been great and then all of the sudden for no reason, my third monitor turns off, windows picks it up as a generic Non-PnP monitor and I get this message from windows saying that there is a display link failure.

I have tried

1. unpluging the computer from all power for 10 min

2. reinstalling the drivers

3. rolling back the drivers

4. changing the color management properties

There were times that all I had to to was unplug the monitor from the display port and plug it back in and that would fix it. but then after a while it would just go down again.


I saw on another site somewhere that there is a 3 in 1 hdmi to display port adapter where you can plug all three monitors into the one display port. I can't find where to buy that piece or if my video card is compatible with it. Do you have any information on that?

 01/28/2014 09:23 AM
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I have the EXACT same problem. 

3x 24 inch monitors

I bought an active displayport adapter, it says Active on it, and for a time, I had all 3 monitors working great:




It went black a few times, but shortly thereafter I took off the DisplayPort monitor to use with another PC for a while. Now I put it back and it detects the monitor as "Generic NON-PNP Monitor".  I also did get one error about the displayport cable being bad which I doubt due to the number of other posts around the internet about the same situation. Seems much more likely to be a configuration or combpatibility issue, or a limitation. 

If there's a power issue or something where this card just can't run 3 monitors, or I need to upgrade the power supply or something, please help us figure this out. It's a common and very good graphics card. 

Here's my specs. 

Dell XPS

AMD Radeon HD 5700 Series

Bios Version

Memory Size 1024 MB

Memory Type GDDR5

Core Clock 850mhz

Memory Clock 1200mhz

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