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Journeyman III
Journeyman III

Eyefinity display disabled when one monitor removed

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Hey there

I have a sort of video wall exhibit thingy that uses 5 monitor and a w600. Due to application limitations, I have had to create an eyefinity group to make one large display. The application then controls putting content on the individual monitors based on resolution only. To the machine, it is one big display which is what i want.

The problem we are having, is that if one of the displays does not come on, the eyefinity group seems to get disabled and they go back to discrete monitors again. There are cases where a monitor does not turn on in a timely fashion for instance, and then the display group is disabled. Even if this happens temporarily it screws up our application. Also if someone were to unplug a monitor or there was a failure, it would be nice if the exhibit kept running in those cases minus one monitor. When the monitor is restored, the display group does come back online and spans automatically to all the monitors. What i am looking for is for the video card to "fake" the monitor being there, even when its unplugged. We are using DP to HDMI active dongles with all monitors.

Is this expected behaviour? When a monitor is off the eyefinity display group is disabled? how do i prevent this? When we purchased this card, this was discussed and someone (or some literature) mentioned that it would be fine if one monitor is lost. So i hope its just a setting I am missing. Please let me know thanks.

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Staff
Staff

Re: Eyefinity display disabled when one monitor removed

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That could be done by EDID emulation, which is under FirePro settings. So you emulate the EDID of the monitor on the same port. Otherwise there are some EDID overwrite tools. Just google it.

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Community Manager
Community Manager

Re: Eyefinity display disabled when one monitor removed

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Adding our Firepro expert fsadough​.

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Staff
Staff

Re: Eyefinity display disabled when one monitor removed

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That could be done by EDID emulation, which is under FirePro settings. So you emulate the EDID of the monitor on the same port. Otherwise there are some EDID overwrite tools. Just google it.

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Journeyman III
Journeyman III

Re: Eyefinity display disabled when one monitor removed

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Right click on desktop -> Amd fire pro advanced settings -> EDID Emulation tab -> Check "Force EDID Emulation" (ignoring scary "this voids warranty message") and the problem is solved.

I can now unplug one monitor and the exhibit keeps on kicking on the original monitors as if the monitor that has failed is still there. I did not previously try this because i worried that it would damage the card due to the message, but it seems harmless enough.

many thanks.