Ubuntu 23.10 kein Ton via HDMI

CoMo

Commander
Registriert
Dez. 2015
Beiträge
2.937
Hallo,

ich habe hier einen Laptop mit Ubuntu 23.10. Der sitzt auf einer Dockingstation und ist per HDMI mit meinem AV-Receiver verbunden.

Ich sehe den Ubuntu-Desktop auf dem Fernseher, jedoch wird kein Ton wiedergegeben. Kurios: Wenn ich die Auflösung des sekundären Displays ändere, höre ich für etwa 0,1 Sekunden etwas, danach ist es sofort wieder still.

Hatte jemand eventuell dasselbe Problem und hat eine Lösung gefunden?
 
Hast du in den Audiosettings auch den Fernseher als Ausgabegerät eingestellt?
 
Es gibt nur 2 Optionen:

HDMI / DisplayPort - Built-in Audio
Speakers - Built-in Audio

Ersteres ist ausgewählt. Wenn ich das zweite auswähle, kommt der Ton aus den Laptop-Lautsprechern.
 
Das sieht richtig aus. Ton am Notebook ist auch auf Laut gestellt und am Fernseher ebenfalls?
 
Und den Gegencheck mal probiert den Laptop per HDMI direkt am AV oder TV anschließen ohne die Dockingstation dazwischen ?
 
NJay schrieb:
Das sieht richtig aus. Ton am Notebook ist auch auf Laut gestellt und am Fernseher ebenfalls?

Ja klar. Wie erwähnt, beim Umschalten der Auflösung kommt für den Bruchteil einer Sekunde Ton.

IchbinbeiCB schrieb:
Und den Gegencheck mal probiert den Laptop per HDMI direkt am AV oder TV anschließen ohne die Dockingstation dazwischen ?

Der Laptop hat keinen HDMI-Anschluss.

Es handelt sich um einen Lenovo T450s und eine Original Lenovo Dockingstation.
Ergänzung ()

CoMo schrieb:
Ja klar. Wie erwähnt, beim Umschalten der Auflösung kommt für den Bruchteil einer Sekunde Ton.

Ich habe gerade festgestellt, dass dieser Ton aus den Laptop-Lautsprechern kommt, nicht aus den an den Boxen am Receiver.
 
Zuletzt bearbeitet:
Hat der Laptop eine Nvidia-GPU? Hatte immer große Probleme mit Ubuntu, Nvidia, HDMI und Sound. So groß, dass ich Ubuntu verlassen habe, da waren mehrmalige Backup-Wiederherstellungen im Spiel. Ich erinnere mich, dass ich einen schlecht performenden Treiber auswählen musste, damit ich Sound hatte. Ich würde in den einschlägigen Linux-Foren suchen. Viel Erfolg!
 
Nein, nur die Intel HD Graphics 5500.

Code:
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    capabilities: smbios-2.7 dmi-2.7 smp vsyscall32
    configuration: administrator_password=disabled chassis=notebook family=ThinkPad T450s power-on_password=disabled sku=LENOVO_MT_20BX_BU_Think_FM_ThinkPad T450s uuid=908b2481-543c-11cb-a703-8a00c4348151
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             configuration: driver=ahci latency=0
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       logical name: /dev/input/mouse0
       capabilities: rmi
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       logical name: /dev/input/mouse1
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       logical name: input3::numlock
       logical name: input3::scrolllock
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  *-network DISABLED
       description: Ethernet interface
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       bus info: usb@2:4
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       configuration: autonegotiation=off broadcast=yes driver=cdc_mbim driverversion=6.5.0-21-generic duplex=half firmware=CDC MBIM link=no multicast=yes port=twisted pair
 
Ist die Firmware von dem Dock aktuell (2017 wäre die aktuellste Version)? Was anderes fällt mir dazu leider nicht ein...

In den Patchnotes der letzten veröffentlichen Firmware findet sich zumindest das hier:
LIMITATION

- HDMI audio mute/unmute : unmute will take approximately 1 second.
Es sollte also grundsätzlich möglich sein Ton über den HDMI Anschluss des Docks zu bekommen.
 
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Tenferenzu schrieb:
Ist die Firmware von dem Dock aktuell (2017 wäre die aktuellste Version)? Was anderes fällt mir dazu leider nicht ein...

Vermutlich nicht, ich habe die glaube ich noch nie aktualisiert. Frage mich auch gerade, wie ich das unter Linux machen soll, auf der Lenovo Seite gibt es nur ein Windows-Tool.
 
CoMo schrieb:
Frage mich auch gerade, wie ich das unter Linux machen soll, auf der Lenovo Seite gibt es nur ein Windows-Tool.
Aus einem anderen Thread:
mscode schrieb:
Mit Rufus Windows 11 to go auf ein USB Stick erstellt, gebootet, Bios Update gestartet.
Was anderes fällt mir leider auch nicht ein.
 
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Mal schauen, ob es so klappt :)

Garmor schrieb:

fwupdmgr meldet:

Code:
$ sudo fwupdmgr get-updates
Devices with no available firmware updates:
 • ThinkPad Dock
 • ThinkPad Dock
 • MZ7LN512HCHP-000L1
 • System Firmware
 • UEFI Device Firmware
 • UEFI Device Firmware
No updatable devices
 
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So, das Update scheint geklappt zu haben im Windows-To-Go. Der Updater sagte erfolgreich installiert, danach habe ich noch Lenovo Vantage installiert, das hat keine Updates gefunden. Das Dock habe ich danach kurz vom Strom getrennt.

Leider habe ich immer noch keinen Ton 😕
 
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