Force hardware acceleration without display

[SaladFingers]

So, I have a machine sitting in a room with no display connected to it. It is controlled either by TeamViewer or VNC, while a KVM is being considered.

 

Problem is, if there is no screen connected to the GPU outputs, I can't get accelerated graphics to work and the resolutions I'm able to choose from aren't ideal (no 1080p, for example). Connecting a cable on it's own doesn't trick it.

 

Is there any kind of workaround for this? Or some kind of adapter that will trick the GPU into thinking a display is connected?

[SaladFingers]

Actually, I found an accelerator that will do just that - connect to the GPU and act as a display. Will probably give that a try until a KvM setup.

[mikat]

32 minutes ago, SaladFingers said:

So, I have a machine sitting in a room with no display connected to it. It is controlled either by TeamViewer or VNC, while a KVM is being considered.

 

Problem is, if there is no screen connected to the GPU outputs, I can't get accelerated graphics to work and the resolutions I'm able to choose from aren't ideal (no 1080p, for example). Connecting a cable on it's own doesn't trick it.

 

Is there any kind of workaround for this? Or some kind of adapter that will trick the GPU into thinking a display is connected?

yes there are little adapters that you can buy that simulate a screen, linus uses them too
(the little black plugs coming out of the gpus)

http://www.amazon.com/CompuLab-fit-Headless-Display-Emulator/dp/B00FLZXGJ6

[SaladFingers]

38 minutes ago, mikat said:

yes there are little adapters that you can buy that simulate a screen, linus uses them too
(the little black plugs coming out of the gpus)

http://www.amazon.com/CompuLab-fit-Headless-Display-Emulator/dp/B00FLZXGJ6

I didn't realize Linus also used these  Yep, found just the item you linked, but unfortunately won't ship here. I did find an alternative that will, though. Ordered