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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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How to fool a laptop into thinking a monitor is connected? (lemmy.kde.social)

submitted 9 months ago by [email protected] to c/[email protected]

30 comments fedilink hide all child comments

Hello! I converted an old laptop with a broken screen into a home server, and it all works well except for one thing: when I reboot it (via ssh), if no screen is connected, it will get stuck and refuse to boot. as soon as I connect an HDMI monitor, the fans will start spinning and it will start booting as usual. Then I can remove the HDMI and it will work flawlessly. I don't know if this is a linux problem, a GRUB problem, or a firmware problem.
Any idea on how to solve this, or on how to fool it into thinking a screen is connected? The problem is not the lid switch as I removed the magnet from the screen, so it thinks the lid is always open

Thanks in advance!

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[–] comiconomenclaturist 2 points 9 months ago (1 children)

I had an old laptop that I removed the screen from and it still booted. Perhaps if your screen has broken in a way that the GPU detects as a hardware failure, it might prevent booting? Maybe removing the screen entirely might solve the issue? Or at least disconnecting the internal cable from the screen to the motherboard..

[–] [email protected] 1 points 9 months ago

Yes I already disconnected if, but still nothing :(