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[Solved] HDMI monitor is not detected - Intel UHD Graphics 730

Graphical Environments, Managers, Multimedia & Desktop questions.
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zbx0310
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[Solved] HDMI monitor is not detected - Intel UHD Graphics 730

#1 Post by zbx0310 »

Graphics card: Intel Corporation RocketLake-S GT1 [UHD Graphics 730]
5.10.0-21-amd64 #1 SMP Debian 5.10.162-1

I've just installed Debian and at the beginning I had problems with my video card driver. After setting kernel parameters, the driver runs and works well but still my HDMI monitor(The second monitor) is not detected.

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/etc/default/grub
GRUB_DEFAULT=0
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet"
GRUB_CMDLINE_LINUX="i915.force_probe=4c8b" # This is what I appended to module parameters which therefore fixed the problem of loading the driver
GRUB_DISABLE_OS_PROBER=true
I've installed

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xserver-xorg-video-intel, mesa-utils, firmware-misc-nonfree
. Also all firmware files in

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/lib/firmware/i915
are installed and I don't get any error from i915.

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$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation RocketLake-S GT1 [UHD Graphics 730] (rev 04)

$ xrandr --current
Screen 0: minimum 8 x 8, current 1280 x 1024, maximum 32767 x 32767
DP1 connected primary 1280x1024+0+0 (normal left inverted right x axis y axis) 340mm x 270mm
   1280x1024     60.02 +  75.02* 
   1280x960      60.00  
   1152x864      75.00  
   1024x768      75.03    70.07    60.00  
   832x624       74.55  
   800x600       72.19    75.00    60.32    56.25  
   640x480       75.00    72.81    66.67    59.94  
   720x400       70.08  
HDMI1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
HDMI3 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)

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$ xrandr --listproviders
Providers: number : 1
Provider 0: id: 0x47 cap: 0xb, Source Output, Sink Output, Sink Offload crtcs: 3 outputs: 5 associated providers: 0 name:Intel
Logs related:

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Kernel logs:
Mar 21 06:58:17 localhost kernel: input: HDA Intel PCH HDMI/DP,pcm=10 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input14
Mar 21 06:58:17 localhost kernel: input: HDA Intel PCH HDMI/DP,pcm=11 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input15
Mar 21 06:58:17 localhost kernel: input: HDA Intel PCH HDMI/DP,pcm=12 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input16
Mar 21 06:58:17 localhost kernel: input: HDA Intel PCH HDMI/DP,pcm=13 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input17
Mar 21 06:58:17 localhost kernel: input: HDA Intel PCH HDMI/DP,pcm=14 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input18
Mar 21 06:58:17 localhost kernel: input: HDA Intel PCH HDMI/DP,pcm=15 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input19
Mar 21 06:58:17 localhost kernel: input: HDA Intel PCH HDMI/DP,pcm=16 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input20
No error in boot.log
Last edited by zbx0310 on 2023-03-21 22:11, edited 1 time in total.

Aki
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Re: HDMI monitor is not detected - Intel UHD Graphics 730

#2 Post by Aki »

Hello,

The Intel Rocket Lake was released relatively recently (on March 30, 2021 , according to [1]).

You could probably test a newer kernel from bullseye-backports [2], for example [3]. Here [4] how to configure your system.

---
[1] https://en.wikipedia.org/wiki/Rocket_Lake
[2] https://backports.debian.org/
[3] https://packages.debian.org/bullseye-ba ... mage-amd64
[4] https://wiki.debian.org/Backports
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Re: HDMI monitor is not detected - Intel UHD Graphics 730

#3 Post by stevepusser »

Install inxi and give us the result of

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inxi

inxi -Gxx
so we don't have to research what you have, instead you tell us right off. Thanks!

If you do install a newer kernel, you should also upgrade your firmware packages from backports.
MX Linux packager and developer

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