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I have a computer with no access to internet, however, lubuntu 18.04 (also tried with lubuntu 20.04) does not produce sound. It keeps saying "no dummy output". While on a computer with internet access I downloaded "Cube-Get" and downloaded the DKMS package , which included all of the dependencies. I moved the dependencies for the dkms package on to a USB and transferred it to my computer with no internet. While installing , it halted because of broken dependencies.

The reason im installing dkms package is because I need the snd-hda-intel driver.

Does anyone have any ideas on how I can navigate this problem?

linuxurious
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  • Without specific messages we cannot really help. Some commands require all dependencies to be pre-installed (as it cannot go the web to download missing packages) for example, if your install failed because you tried to install a package built for another release (eg. a focal package that will work on 20.04, but have dep issues on bionic (18.04) that would be expected) you've provided no specifics for us to help with. FYI: I would expect intel cards (snd-hda-intel) to work anyway; but we have few details.. Lubuntu 18.04 LTS with what stack? GA kernel? HWE kernel? and which kernel? – guiverc Feb 25 '21 at 03:49
  • Did you downloaded packages match your 18.04 system? Most just downloaded packages will assume a fully-updated system, so was yours? With regards the kernel, GA is provided with 18.04 & 18.04.1 (ie. 4.15 kernel), 18.04.2 came with 4.18, 18.04.3 came with 5.0, 18.04.4 with 5.3 kernel, 18.04.5 with 5.4 kernel - so was did your dkms kernel downloads match the system you installed? (or did you fully-upgrade it via usb-thumb-drive?) We currently don't know (a fully upgraded GA/general system remains on 4.15, where as HWE upgrades the kernel & stack until it reaches the final 5.4/focal) – guiverc Feb 25 '21 at 03:53
  • Another FYI: My box uses the snd_hda_intel kernel module for it's sound, and I've not needed to install anything on any releases from 14.04 (trusty) up to current hirsute (what will be Lubuntu 21.04 when it's released). Same for other boxes that use the intel cards; as intel add the code needed to the open source linux kernel (usually only newer high-end graphics needs special drivers, or cheap wireless) – guiverc Feb 25 '21 at 03:58
  • If you want to ask about your sound issue, we'd require details about your sound card. Me I tend to use sudo lshw -C sound where sudo elevates privileges, lshw will list-hardware and -C limits output to 'sound' devices. My own output includes the detail driver=snd_hda_intel meaning I'm already using the snd_hda_intel kernel module (ie. driver in non-OS tech speak). That driver is generic & open source. – guiverc Feb 25 '21 at 04:26
  • Hi, sorry to hear that. Could you share the steps you did when downloading and installing a package via CubeGet if you don't mind?

    Also, you might give this a try: https://askubuntu.com/questions/914463/dummy-output-no-sound-in-ubuntu-16-04

     – Camicri Feb 25 '21 at 09:25

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