Realtek ALC272 – Sound Stops After a Few Seconds on Acer Aspire 4738Z

[Dimas Gusman]

Hello everyone, I am still learning the ropes of the Hackintosh world. I have an Acer Aspire 4738Z laptop with the following specifications:
- Processor: i5-560M
- Graphics: Intel HD Graphics (1st Gen Arrandale)
- Wi-Fi: Intel Dual-Band AC 8265
- Audio: Realtek HD Audio ALC272
- Bootloader: OpenCore Legacy

I have followed several forum tutorials and successfully got the following working:
- Wi-Fi, LAN, display brightness, Bluetooth, and RehabMan DSDT patches (fixing HPET, IRQ, etc.).

However, I am having trouble with the audio. Here is what I have tried so far:
- AppleHDA + DSDT (failed; tried all layout IDs)
- AppleHDA + AppleALC + DSDT (failed; tried all layout IDs)
- AppleHDA patched with AppleHDA Patcher (failed)
- HDAUniversal + boot-arg (failed; tried all layout IDs)
- VoodooHDA: Sound plays, but cuts out/stops after a few seconds. I tried changing the sample rate (kHz) via Audio MIDI Setup; sound plays, but cuts out/stops again after a few seconds.

- How can I fix or resolve this audio issue?
I have tried various methods and files found on the forums, but nothing has worked so far.

Thanks in advance.

[MaLd0n]

https://olarila.com/topic/40033-easy-hackintosh-audio-solution-with-applealc/

[Dimas Gusman]

I have listed the applealc method but it didn't work.