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I am wondering how to turn on the built-in speaker DELL Optiplex 990 in Ubuntu.

sound settings screenshot

Melebius
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engr_john
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  • I am using a 980 to type this, and I am pretty sure the internal speakers come on if I pulled out the 3.5mm external cable that goes to my speakers, and only then. Maybe the 990 is different, but the dell 980's speakers were pretty poor (very tinny) so I never cared about loosing them. pavucontrol lists mine as unavailable. – guiverc Jul 12 '19 at 12:07
  • Have you tried using pavucontrol? That should easily allow you to play sound over speakers, and make it go above 100% (a bad idea generally, because of how bad the sound distorts) – Domo N Car Jul 12 '19 at 12:19
  • Hi, I am not able to install pavucontrol. Here is command reply. user---:~$ sudo apt install pavucontrol-qt Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package pavucontrol-qt – engr_john Jul 12 '19 at 12:28
  • @DomoNCar he already has that option as you can see in the screen shot. – tatsu Jul 12 '19 at 13:31
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    @engr_john you ubuntu is already on max but applications (webbrowsers with youtube running inside them, or Rythmbox for music, or VLC for movies) have their own, compleltely seperate, volume lever. You'll have to turn up the volume there too ...By default they all start at half-strength. But in any even, your computer tower : https://www.portables.org/smartblog/27_test-complet-dell-optiplex-990.html is equipped with absolutely garbage onboard speakers. you can't get a disco going in your house using your PC, sorry. why not ask if anyone arround you wants to give their sound system away? – tatsu Jul 12 '19 at 13:33
  • @engr_john pavucontrol-qt is available in the Universe repository. See How do I enable the “Universe” repository? – Melebius Jul 15 '19 at 07:09

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