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installed Ubuntu no sound and dummy output

pk flag

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.

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cn flag

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/

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pk flag

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

mondotofu avatar
cn flag
Sometimes just exercising the different output options for video and sound can unlock the modes that can help bring things back to normal. I'm glad that you're on a happy path.
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