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Linux Mastering Development Ubuntu

Can’t connect Wi-Fi with Ubuntu 18.04 and 20.04 (Lenovo ThinkPad E490, Realtek RTL8822BE)

I have been working with Ubuntu 18.04 for several months now (with dual boot alongside Windows 10, which has no problems), and yesterday, out of nowhere, my Wi-Fi adapter stopped working (not listing anything) or stopped even showing. There are A LOT of questions about this issue all over, but so far, nothing has worked […]

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Linux Mastering Development Ubuntu

Only “Dummy output” (sound) in Ubuntu 20.04 after reboot – Broken driver / module

I am using Ubuntu 20.04 for over a month now. After a reboot, I have no more sound and WiFi. Note that this is different from many other posts, which seem to have had no sound at all, after an upgrade. In this case, sound stopped working only after a reboot. As for the sound, […]

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Linux Mastering Development Ubuntu

Only “Dummy output” (sound) in Ubuntu 20.04 after reboot – Broken driver / module

I am using Ubuntu 20.04 for over a month now. After a reboot, I have no more sound and WiFi. Note that this is different from many other posts, which seem to have had no sound at all, after an upgrade. In this case, sound stopped working only after a reboot. As for the sound, […]

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Linux Mastering Development Ubuntu

Only “Dummy output” (sound) in Ubuntu 20.04 after reboot

I am using Ubuntu 20.04 for over a month now. After a reboot, I have no more sound and WiFi. Note that this is different from many other posts, which seem to have had no sound at all, after an upgrade. In this case, sound stopped working only after a reboot. As for the sound, […]

Categories
Linux Mastering Development Ubuntu

How to fix No sound on Ubuntu 18.04?

1) I’ve been using Ubuntu 18.04 with Windows 10 dual boot for some months now. Today suddenly my sound stopped working on Ubunutu. Activities -> Sound menu shows only “Dummy Output”. All fine on Windows though. 2) Output of lsmod is: rohit@rohitUb18043LTS:~$ lsmod | grep snd_ snd_seq_midi 20480 0 snd_seq_midi_event 16384 1 snd_seq_midi snd_seq 69632 […]

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Linux Mastering Development Ubuntu

No audio on Ubuntu 16.04LTS, only recognize HDMI Card

My installation of Ubuntu does NOT recognize my headphone jack or my internal speakers, only HDMI port. What can I do to solve it? Ubuntu 16.04 LTS Bluetooth speakers and usb headset works great, but internal speakers and headphone jack does NOT. Here is my lspci 00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen […]

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Linux Mastering Development Ubuntu

No sound on Ubuntu 18.04. Dummy output

I just installed Ubuntu 18.04 and it appears that the sound drivers I have do not work properly (I think). So when I open the sound settings window, I can see only “Dummy output” for output devices. My internal microphone isn’t recognized as well (no input devices). I’m using Lenovo ThinkBook 13s Here are some […]

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Development Linux Ubuntu

Ubuntu 18.04 LTS with Intel UHD 620 issues

I’m struggling on this for 3 days now and I did not find any solution. I’m trying to install Ubuntu 18.04 LTS on an industrial PC with an Intel I7 Kaby Lake and UHD 620. I did not find a solution on this so I need to ask this forum. Installed the system with nomodeset. […]

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Development Linux

WLAN softblocked on boot

Goal My goal is to setup the server so that on every boot I automatically connect to WLAN and can access it remotely. Problem However, whenever I boot up my NAS Server I get a softblock on WLAN. I need to manually run sudo rfkill unblock wlan every time. This is quite annoying since I […]

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Development Linux Ubuntu

aplay can’t see sound card on HP pavilion laptop

On ubuntu 19.04 after an update sound stopped. I’ve tried modprobe remedies redoing the downgrading/upgrading the OS back to 18.04. Everything comes up dummy output in the sound settings. Aplay reports: aplay: device_list:270: no soundcards found… lspci says: 00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21) (prog-if 80) Subsystem: Hewlett-Packard Company Sunrise […]