No Sound on iMac 5k (iMac 19.1) ''27 2019

Support Sound
15

I had the same issue for a long time, and solved it yesterday by install the Sound Driver for Cirrus Logic CS8409 for iMac27-5k from github.

  1. get the kernel version:
    uname -r
  2. Install package linux-headers, select the same version with kernel (with root user or sudo):
    pacman -S linux-headers
  3. clone the driver code:
    git clone https://github.com/egorenar/snd-hda-codec-cs8409.git
  4. compile the code:
    cd snd-hda-codec-cs8409
make
  5. install the driver (with root user or sudo):
    make install
  6. reboot system.

Hope this can help you.

PS:
If anyone have the no sound issue on Macbook Pro, maybe this repo Kernel audio driver for Macs with 8409 HDA chip + MAX98706/SSM3515 amps can be a solution.

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