Hi,
Please do try these troubleshooting steps that may help.
- Start by adjusting the microphone levels.
- Right click on the speaker icon and select Recording Devices.
- Right click again on the default microphone listed and select Properties.
- Click on Levels tab and try adjusting the Mic Level and the Mic Boost level.
- Click Apply and OK when set then test it again.
- If all these will not work try to uninstall/reinstall the sound card driver from Device Manager.
- Lastly is to download and install the latest driver update from Asus Support site
- Here's the link:
https

/www.asus.com/support/Download/3/747/0/1/etGq0h7Ss3KxVMdw/41/