I can believe this issue was asked multiple times across this site, especially with the 6 questions that I've come across with people having the same issue... Sadly all solutions provided including the solution on the sound troubleshooting procedure page on the ubuntu wiki didn't work.
Throughout all the commands I've tried, configurations and even different audio devices (Bluetooth is the only output I can get audio from) provided no benefit or difference.
When trying the solution under "Sound Troubleshooting procedure" on the Wiki, Step 3, I've ran into an issue where apparently it's unable to locate package "linux-image-extra-uname -r".
I have attempted reinstalling Pulseaudio and alsamixer, then booting pulse audio and alsamixer. Pulseaudio gives a bunch of errors like this; https://i.imgur.com/bhqAGhy.png and just above that image, apparently alsamixer gives the error "Cannot open mixer: no such file or directory"
What options do I have here? Sorry if this is a awful question to ask, or if this is wrong to type, etc, but I'm at a loss here. I'm wanting to see if I could get solutions that may just be a problem for me.
Edit: Bluetooth audio suddenly stopped working, there's absolutely no output. Also, I forgot to add my chromebook's model just incase
Acer Chromebook 11 NX.G4XAA.004 - 1.6 GHz Intel Celeron N3060 - Intel HD Graphics 400
Edit 2: I used the command
sudo lshw -C sound and got this as an output
sudo lshw -C sound [sudo] password for brody: *-usb:0 description: Video product: HD WebCam vendor: HD WebCam physical id: 4 bus info: usb@1:4 version: 0.03 serial: NC2141103Q82101FF7LM03 capabilities: usb-2.00 configuration: driver=uvcvideo maxpower=500mA speed=480Mbit/s *-multimedia description: Audio device product: Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series High Definition Audio Controller vendor: Intel Corporation physical id: 1b bus info: pci@0000:00:1b.0 version: 35 width: 64 bits clock: 33MHz capabilities: pm msi bus_master cap_list configuration: driver=snd_hda_intel latency=0 resources: irq:403 memory:d1314000-d1317fff
I feel I should clarify, after plugging in other audio devices both USB and the headphone port, nothing changed within the audio settings, not even my microphone appearing in the input devices.