Quote:
Originally Posted by LeTesla
I have recently used MrChromebox's BIOS method to write over ChromeOS, and I have installed Linux Mint 19 Cinnamon in it's place. However, my main issue is that there is no audio. Alsamixer only shows the HDMI audio and headphone audio. Pavucontrol does this as well.
Some hardware specs: - Acer Chromebook 14 CB3-431
- 32GB SSD
- 2.4GiB RAM
- Appears to use an Intel audio chip
|
Recently Linux Mint has been experiencing a few bugs.
Type the command:
sudo apt-get update
sudo apt-get install pavucontrol pulseaudio-module-gconf pulseaudio-module-zeroconf
Reboot the computer, then click the Menu button and type pavucontrol in the search box. Click PulseAudio Volume Control.
Click the Configuration tab. Beside Profile, click the drop-down menu. Select the profile that best suits the audio device which you found with the lspci command.
pulseaudio_volume_control_configuration
Click the Output Devices tab. Beside your default audio device, check if the mute button is enabled. Click it to clear the green box to unmute your audio device.
linux_mint_pulseaudio_volume_control
If there is still no sound, you can try to type this command:
amixer set Master unmute
Depending on the problem you’re having, you can use this command differently:
amixer set Speaker unmute
amixer set Headphone unmute
If the above commands don’t work, you can also try:
amixer -D pulse set Master 1+ toggle
If you’re experiencing no sound in a specific program, such as Audacity, make sure that the correct audio device is selected within the program.
linux_mint_audacity_audio_playback_device
You can also try selecting “pulse” or “default” or any of the other selections to see if this restores the sound functionality in the program.
This will solve most problems with no sound in Linux Mint.
One main cause of popping, cracking, distorted audio in Linux is most likely to be overloaded system resources. So your first order of business is to just shut down any programs you don’t need. If that doesn’t work, shut down the computer, leave it off for at least 30 seconds, then turn it back on again. (Do not reboot. This can leave problems running in memory.)
Also check your speaker cables, headphone cables, headphone jack, etc. Try swapping out your speakers or headphones for different ones.
If you still experience a problem with audio, try the following edit:
sudo nano /etc/default/pulse.pa
Move to the area in the file where you see “load-module module-udev-detect”, and add tsched=0 to the end. When finished, the line should read:
load-module module-udev-detect tsched=0
Then restart PulseAudio with the following commands:
pulseaudio -k pulseaudio --start
Type CTRL+O to save your changes, then type CRTL+X to exit nano.
Buzzing Sound in Speakers
A buzzing sound in the speakers may be a sign that the speakers are failing. You may hear a constant buzzing noise, or you may hear buzzing only when the audio levels get too high. This is an especially difficult problem with laptop computers with built-in speakers. The best workaround for this problem is to install PulseAudio Equalizer and turn down the levels on the offending audio frequencies. But you can also try swapping speakers on your desktop computer or installing external speakers on your laptop to see if that solves the problem.
You can also try editing the audio levels in Alsamixer. Just start a terminal and type:
alsamixer
