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ASUS ROG Zephyrus G16 GU603 AMD Ryzen 9 7940HS Audio Not Playing Through Speakers Fix Windows 11

ASUS · ROG Zephyrus G16 GU603

Audio Not Playing Through Speakers Fix

Windows 11AMD Ryzen 9 7940HSRealtek Audio
ASUS ROG Zephyrus G16 GU603 audio not playing speakers fix Windows 11
1

Set Speakers as Default Output Device

Right-click speaker icon → Sound settings → Output dropdown. Select Speakers (Realtek Audio) or ROG Cetra Audio. If NVIDIA HDMI or a Bluetooth device is selected, that is why no sound plays through the laptop speakers.

2

Reinstall Realtek Audio Driver

Device Manager → Sound, video and game controllers → uninstall Realtek Audio. Download the latest Realtek driver from ASUS Support for ROG Zephyrus G16 GU603 and install. Restart.

ASUS ROG Zephyrus G16 Realtek audio driver Windows 11 Device Manager
3

Reinstall ASUS Sonic Studio 3

Uninstall Sonic Studio 3 from Programs and Features. Download a fresh copy from ASUS Support. Install after the Realtek driver is already installed. Sonic Studio 3 adds speaker enhancement and a virtual surround mode on top of the base audio driver.

4

Run the Windows Audio Troubleshooter

Settings → System → Troubleshoot → Other troubleshooters → Playing Audio → Run. Windows will detect misconfigured audio services and attempt an automatic fix.

“The output had switched to NVIDIA HDMI audio after a Windows update. Switching back to Realtek in Sound settings fixed the silence on my Zephyrus G16 instantly.” — Aidil, Seremban

ASUS ROG Zephyrus G16 Windows 11 audio fix sound settings
About the Author
Ryan holds a Computer Science degree and has spent over 15 years troubleshooting Windows hardware and driver issues across major laptop brands. He writes practical, step-by-step guides for everyday users at softwaredriverdownload.com.

Frequently Asked Questions

Why is audio not playing through speakers on ASUS ROG Zephyrus G16?

A Windows 11 update often switches the default audio output to NVIDIA HDMI or a virtual audio device instead of the built-in Realtek speakers. Changing the output device in Sound settings resolves this immediately.

How do I set speakers as default on ASUS ROG Zephyrus G16 GU603?

Right-click the speaker icon in the taskbar → Sound settings → Output → select Speakers (Realtek Audio) or ROG Audio from the dropdown. Test the sound immediately after switching.

Does ASUS Sonic Studio affect audio output on ROG Zephyrus G16?

Yes. ASUS Sonic Studio 3 can override Windows audio settings. If Sonic Studio crashes or shows an error, it may mute the speakers. Reinstalling Sonic Studio from ASUS Support usually fixes this.

Which audio driver should I install for ASUS ROG Zephyrus G16 GU603?

Download the Realtek Audio driver and ASUS Sonic Studio 3 from ASUS Support for the ROG Zephyrus G16 GU603. Install both — the Realtek driver handles hardware, Sonic Studio handles audio enhancement.

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