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I installed Ubuntu 21.04 on my Acer laptop and everything is working fine except for the sound. There is also a dummy output. I have tried many different solutions from the web but nothing seems to work. Card is there Intel Corporation Sunrise Point-LP HD Audio (rev 21). I was so happy to finally get Ubuntu please help me.

bardana
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Do you have HDMI output on this laptop, an HDMI cable, and a TV that accepts HDMI signals?

If so, then you might try this:

https://www.premitel.uk/consultancy/expert-advice/how-do-i-activate-the-hdmi-cable-connection-from-my-acer-laptop-to-my-tv/

mondotofu
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thank you I found this video https://www.youtube.com/watch?v=Rqwdlkld9Ck that together with this site. But I don't know if both helped or just the video. No sound - Ubuntu 20.04 LTS

bardana
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