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Only works when host PC's display is on *solved*
Whenever the host PC's display is off and I try to connect to it, I'm shown a static image of the whole desktop. Whether I use the host's input devices or the remote device, the image stays frozen.
However, once I turn the display on, everything works just fine.

I assume the problem is that the system doesn't continuously render anything because there's no display attached. The host is running Arch with the Cinnamon desktop, if that matters.

EDIT:
I tried using the xorg dummy driver, which works but without any hardware acceleration.
Last edited by Toastmaster; Feb 5, 2024 @ 4:19pm
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Originally posted by He Who Ate All The Caviar:
It also appears that dummy plugs can purchased pretty cheap. Found one with this as the first line in the description:
Hardware accelerated remote desktop access at high resolutions, supports resolutions from 800x600 all the way up to 4K
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Showing 1-5 of 5 comments
He Who Ate All The Caviar
Jan 31, 2024 @ 11:15pm 
What output is the host using? You might try a "dumber" video output that can't tell the host whether it's on or off.
#1
Toastmaster
Feb 1, 2024 @ 4:52am 
Originally posted by Brohands McSmooth:
What output is the host using? You might try a "dumber" video output that can't tell the host whether it's on or off.
It's DisplayPort. My GPU has DVI ports, thought I'm not entirely sure if they support VGA. If they do, I could do that resistor hack, but this is only a temporary solution since I intend to upgrade my GPU this year.
#2
He Who Ate All The Caviar
Feb 3, 2024 @ 7:05pm 
You could try some powered signal converters, I have a setup that lets me go all the way down to coax output and I know that can't talk back. Somewhere along the way one of the converters must be sending the ON signal.
#3
The author of this thread has indicated that this post answers the original topic.
He Who Ate All The Caviar
Feb 3, 2024 @ 7:15pm 
It also appears that dummy plugs can purchased pretty cheap. Found one with this as the first line in the description:
Hardware accelerated remote desktop access at high resolutions, supports resolutions from 800x600 all the way up to 4K
#4
Toastmaster
Feb 5, 2024 @ 4:18pm 
Originally posted by Brohands McSmooth:
It also appears that dummy plugs can purchased pretty cheap. Found one with this as the first line in the description:
Hardware accelerated remote desktop access at high resolutions, supports resolutions from 800x600 all the way up to 4K
Hmm I thought I responded to this but I forgot to press send.

Somehow, I didn't think to buy an HDMI dummy plug. You're right - they are cheap, and it's a good long-term platform-agnostic solution. I found one that supports 4K for $5.50. I'm sure I can just configure my DE to clone my primary display.

Thanks for the idea - I'm sure we can consider this solved.
#5
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Steam Link > Linux > Topic Details
Date Posted: Jan 31, 2024 @ 7:41am
Posts: 5
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