Windows 8 and 8.1 Forums

Display Port Link Failure, Active Display Port->DVI

  1. #1

    Posts : 26
    Windows 8 Pro

    Display Port Link Failure, Active Display Port->DVI

    I have 3 monitors connected to an AMD HD5770 graphics card. Two monitors connect via HDMI, and the third through a Sapphire Active DisplayPort->DVI adaptor. Things have been working fine for years, but recently I started sleeping my computer when I am not using it during the day, as opposed to my previous habit of leaving it on all day and then shutting down at night, and a couple of days after starting this new habit, I received a 'Display Port Link Failure' message:

    "The system has detected a link failure and cannot set the requested resolution and refresh rate on your DisplayPort display. Your display might not support the requested resolution or there may be an issue with the cable connecting the display to your computer"

    Now, even upon resuming my normal habit of leaving the computer on and shutting down, the monitor will work sometimes but randomly stop other times.

    How can I either fix the issues with sleep, which I would prefer since I want to save energy (a money issue rather than believing my actions make any difference to the environment), or if there is a problem somewhere, determine if it is the graphics card or the adaptor that needs replacing.?

      My System SpecsSystem Spec

  2. #2

    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit

    It could be the hardware is starting to give out. Not all problems are software related. Going to be hard to nail down if you don't have another cable. Could be the cable or the port.

    Any way to test with a straight cable, not the adapter cable?
      My System SpecsSystem Spec

  3. #3

    Posts : 26
    Windows 8 Pro

    Unfortunately not able to test the port independently as none of my displays have DisplayPort connections. I initially bought a cheap passive DisplayPort adaptor to try and test if the current adaptor is the problem, but plugging this in ultimately made the computer unable to boot (endless blue screens, red lines across the connected monitor). Unplugging it resolved the issue. I will buy another active adaptor to test, suppose I can just sell it again if it doesn't change things.
      My System SpecsSystem Spec

Display Port Link Failure, Active Display Port->DVI

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