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Garry’s Mod | Voice Chat Support Guide
This guide assists players by providing step-by-step solutions and clear instructions for fixing microphone issues in Garry’s Mod, from setting your microphone as the default device, enabling beta mode, verifying game files, and even reinstalling the game if needed.
Table of Contents
Solution 1: Set Your Microphone as the Default Device 2
Solution 2: Enable Beta Mode 3
Solution 3: Verify Your Game Files 4
Solution 4: Reinstall Garry’s Mod 5
Changelogs 6
Solution 1:
Set Your Microphone as the Default Device
- Right-click the speaker icon in your taskbar.
- Select Recording Devices.
- Find your microphone, right-click it, and choose
Set as Default Device and Set as Default Communication Device.
- Restart Garry’s Mod.

Solution 2:
Enable Beta Mode
- Make sure Garry’s Mod is closed.
- In Steam, right-click Garry’s Mod → Properties.
- Go to the Betas tab.
- Open the drop-down menu and select Beta.

Note: Ignore the “private code” box—it isn’t needed.
Solution 3:
Verify Your Game Files
- Sometimes a corrupted file can cause mic issues.
- Close Garry’s Mod.
- In Steam, right-click Garry’s Mod → Properties.
- Go to the Local Files tab.
- Click Verify Integrity of Game Files.

Solution 4:
Reinstall Garry’s Mod
- In Steam, right-click Garry’s Mod → Uninstall.
- Reinstall the game.
- Test your microphone.

Changelogs
Date | Changes | User |
23/08/2025 | | Dick |