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start up sound is not working in SONY VAIO laptop

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  • Latest Post Latest Post by mesamb1

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On non-Apple hardware the familiar Mac startup chime is usually absent because it is produced by Apple firmware at power-on. That is why 's point about running macOS on a Sony VAIO helps explain the symptom; the OS can be fine but the firmware simply never emits the chime. 's joke about being spared also applies — the missing tone is expected, not necessarily a software bug.

Troubleshooting checklist:

  • Verify audio works once macOS finishes booting: System Preferences -> Sound -> Output and play a media file. If no sound at all, the problem is the audio driver (kext) rather than the startup chime.
  • For Hackintosh installs you commonly need either a patched AppleHDA for your specific Realtek/Intel codec or VoodooHDA/ALC injection. Identify the laptop codec and install the matching kext, back up /System/Library/Extensions, then rebuild caches and reboot.
  • If audio works after login but the chime is still silent, that is the firmware/bootloader gap: the system simply never handed off a startup tone before the OS loads.

Practical workaround (mimic the chime after login):
Create a small script that plays a sound at login and add it as a Login Item. Example script:

#!/bin/bash
afplay /System/Library/Sounds/Glass.aiff &

Make the script executable and add it via System Preferences -> Users & Groups -> Login Items (or create an Automator app that runs the same command). This does not recreate the true firmware chime but gives an audible cue after the UI appears.

Cautions: modifying kexts and bootloader settings can cause instability or kernel panics. Work from backups, keep a recovery installer ready, and use caution when replacing system extensions on any Hackintosh.

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Member Avatar for jbennet

well that because OSX isnt supposed to run on it...

Member Avatar for mesamb1

You should be grateful. you have been spared countless times of having to listen to that sound.

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