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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

dual wifi (intel broadcom) minipci card thinkpad r400 troubleshooting help needed

i recently installed a broadcom wifi card in my laptop there are now 2 wifi minipci cards in the laptop my problem is intel wifi card works fine(always has) but broadcom card after installing it ran additional drivers option and installed proprietary drivers but on rebooting both wifi cards are disabled i have also tried […]

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Linux Mastering Development Ubuntu

Microphone Crackle – Lots of info provided!

I’m looking to fix an ongoing issue with microphone capture. There is a loud background crackle and is present anytime I use the mic, no matter which program. I’ve had this issue for close to 1 year and I’ve tried to fix it several times. It is not a hardware issue, the mic works on […]

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Linux Mastering Development Ubuntu

Slow Internet Speed on Ubuntu 18.04 with Realtek RTL810xE Wifi Dongle

ker@ker:~$ lsusb Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 005 Device 003: ID 1c4f:0002 SiGma Micro Keyboard […]

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Linux Mastering Development Ubuntu

Using DSLR camera as a webcam

I am trying to use my Canon DSLR as a webcam, on an Ubuntu machine. The camera does not show up as /dev/video*. The camera shows up in hwinfo –usb: 19: USB 00.0: 10f01 WebCam [Created at usb.122] Unique ID: R8DB._ROX1vreGqF Parent ID: FKGF.4Nx_qoDfSd7 SysFS ID: /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1/2-1.1:1.0 SysFS BusID: 2-1.1:1.0 Hardware Class: camera Model: “Canon […]

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Linux Mastering Development Ubuntu

USB WiFi Adapter driver installed but don’t work

I’ve buyed a Wifi Adapter but there isn’t the driver for Linux. I have installaed the driver on Windows and read the code 8811CU. I followed too much guide but it never work, this is the most detailed: https://github.com/brektrou/rtl8821CU https://forum.mxlinux.org/viewtopic.php?f=107&t=55788 https://forum.ubuntu-it.org/viewtopic.php?t=632419 After have followed this the WiFi adapter don’t work, there isn’t the wlan interface […]

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Linux Mastering Development

remove free wifi driver and install non-free on fedora 31

I want to remove free driver from my laptop and install non-free one on it, on debian server i do that and is pretty easy, in fedora 31 i having some problem, This is lshw: [root@localhost alireza]# lshw -C network *-network description: Wireless interface product: BCM43225 802.11b/g/n vendor: Broadcom Inc. and subsidiaries physical id: 0 […]

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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

Ubuntu 18.04 fresh install on Acer: Sound output “Dummy Output”, no input

I have installed Ubuntu 18.04 on my Acer aspire VN7. Problem: As sound output I get only “Dummy output”. For sound input I get nothing at all. If I plug in headphones nothing happens. If I connect a soundbar via bluetooth it is displayed as the only output (dummy output disappears) and I can play […]

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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 […]