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I installed debian without problems. I chose xfce as GUI. And i have internet connection. I restarted when the installation was complete. But the login screen does not appear. Screen is completely black. There is only one flashing dash. I looked for errors using this command:

less /var/log/Xorg.0.log

And i got the below errors:

EE open /dev/dri/card0: No such file or directory

EE unable to find a valid framebuffer device

EE Screen 0 deleted because of no matching config section

EE Cannot run in framebuffer mode. Please specify busIDs for all framebuffer devices.

What should i do, can you help me?

I have Intel uhd graphics

Edit1: I downloaded xserver-org-core and reinstalled debian. but nothing has changed.

EDIT2: I downloaded debian from here. I also downloaded the firmware from here.

I copied these files from the firmware.zip file to the firmware folder inside the usb.

Files:

firmware-intel-sound_20190114-2_all.deb
firmware-intelwimax_20190114-2_all.deb
firmware-iwlwifi_20190114-2_all.deb
firmware-linux-free_3.4_all.deb
firmware-misc-nonfree_20190114-2_all.deb
firmware-realtek_20190114-2_all.deb
intel-microcode_3.20210216.1~deb10u1_amd64.deb

In addition to these, I added the file I downloaded from this site.

CPU = intel i3 1005g1

GPU = intel uhd graphics 10th generation

EDIT3: I added "deb http://ftp.de.debian.org/debian buster main" to /etc/apt/sources.list, what should I do next? I ran sudo apt-get update and rebooted but still nothing changed.

EDIT4: What else should I download besides the above firmware?

EDIT5:

sources.list contents

deb http://ftp.de.debian.org/debian buster main
deb http://ftp.de.debian.org/debian buster main non-free

deb http://deb.debian.org/debian/ bustermain non-free contrib
deb-src http://deb.debian.org/debian/ bustermain non-free contrib

deb http://security.debian.org/debian-security buster/updates main contrib non-free
deb-src http://security.debian.org/debian-security buster/updates main contrib non-free


deb http://deb.debian.org/debian/ buster-updates main contrib non-free
deb-src http://deb.debian.org/debian/ buster-updates main contrib non-free
yulFWd
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1 Answers1

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EE open /dev/dri/card0: No such file or directory

This indicates the kernel i915 framebuffer display driver has not been activated, perhaps because the necessary firmware is missing. It looks like the Intel iGPU firmware files are in package firmware-misc-nonfree.

If you did not enable access to Debian's "non-free" repository on installation, you'll need to do that first before you can install the firmware-misc-nonfree package.

For more details, see this question and its answer.

Also, if you chose Debian 10 ("buster"), its default kernel might be too old for the newest Intel UHD Graphics iGPUs. But Debian 11 is scheduled to be released during this week, so you might want to install it in the expectation that it will very soon become the new stable version.

telcoM
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  • i already downloaded firmware-misc-nonfree. – yulFWd Aug 10 '21 at 10:30
  • According to [Wikipedia's list of Intel iGPUs](https://en.wikipedia.org/wiki/Intel_Graphics_Technology), all the processors with the **UHD** Graphics are so new that you might have to check the `dmesg` output to see which firmware files you require, and fetch the necessary firmware files yourself from tthe [linux-firmware repository](https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915). Depending on the exact CPU model, you might even need a newer kernel than Debian 10 has. – telcoM Aug 10 '21 at 10:41
  • "If you did not enable access to Debian's "non-free" repository on installation, you'll need to do that first before you can install the firmware-misc-nonfree package." How can I do that? And I will do a more detailed edit above. Thanks for your answer – yulFWd Aug 10 '21 at 10:46
  • What you wrote is very precious to me, but since I am new to this universe, I do not understand anything. I also made a more detailed edit above @telcoM – yulFWd Aug 10 '21 at 11:00
  • Edit your `/etc/apt/sources.list` line you added so that it will say `deb http://ftp.de.debian.org/debian buster main non-free`. Then run `sudo apt-get update` again and now packages like `firmware-misc-nonfree` should be installable with just `sudo apt install firmware-misc-nonfree`. – telcoM Aug 10 '21 at 13:18
  • I did what you said but the situation is still the same. I couldn't understand why the problem was caused. @telcoM – yulFWd Aug 10 '21 at 14:24
  • I did what you said but it didn't work. Errors that prevent the graphical interface from working are necessarily hiding somewhere. How can i reach them? I've been trying to install debian for 5 days. Can you help? All i want is to be a linux user?? @telcoM – yulFWd Aug 11 '21 at 11:41
  • Your CPU is newer than the release date of Debian 10, and so the kernel's `i915` kernel module version may be too old to support the iGPU in that CPU. I recommend installing Debian 11 instead, as installing a newer kernel from a [Debian backports repository](https://backports.debian.org/Instructions/) is a fairly tricky for a new user. Debian 11 will be the new stable release of Debian after 2021-08-14. But if you want to see the errors, run `dmesg` as root to view the kernel's message buffer. If there are no messages mentioning `i915` at all, then the kernel is too old. – telcoM Aug 12 '21 at 08:42
  • I downloaded debian 11 yesterday. I did not encounter any problems. Thank you @telcoM – yulFWd Aug 15 '21 at 08:43