Hi Ed,
Here's a extract from an article about this matter:
Source:
http://blog.zorinaq.com/the-5-second-vga-dummy-plug/
It made sense for drivers to not enable a GPU when no monitor was attached to it. But
since the rise of GPGPU applications, graphics vendors AMD and NVIDIA realized that this
behavior was inconvenient. At least with the most recent Linux drivers, dummy plugs are
not necessary anymore.
So I wonder if the problem lies somewhere else.
Greetings,
Simon
Mit freundlichen Grüßen
Simon Eigeldinger
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-----Ursprüngliche Nachricht-----
Von: Ed Greshko [mailto:ed.greshko@greshko.com]
Gesendet: Montag, 27. März 2017 14:00
An: Community support for Fedora users <users(a)lists.fedoraproject.org>
Betreff: Re: F25: Desktop PC not booting without a screen
On 03/27/17 15:46, Eigeldinger Simon wrote:
I am Simon and I am blind.
I tried to boot a Fedora Workstation 25 live USB without a screen
attached to a desktop machine.
It seems the machine doesn't boot completely at least hanging while
the desktop should come up.
On the arch wiki i read something about x server and its autoconfig
mode where it detects the screen and if no screen is present it stops
starting the desktop which makes the PC hang.
According to the wayland mailing list this also happens with wayland
though wayland supports screenless booting. which needs to be
specified in the wayland adapter for gnome.
Anyone maybe knows more about that?
I thought of using Fedora on a project i have in my mind. Having a
small PC without a screen in the kitchen would be pretty interesting.
navigation is done using a keyboard and knowing where we are is done
using the orca screen reader and speakers.
Attaching a screen would be the last thing i want to do.
What is your video output?
If it is HDMI, maybe get a "dummy" plug to fake the system into thinking it has
a monitor connected.
https://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-...
Similar plugs are available for DVI.
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