COD
By The CPU Guide
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4 reasons why
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1. Launch Modern Warfare via Battle.net
2. Now click on Options and select the AUDIO tab
Press Windows + X key
3. And set Voice Chat to enabled
4. Now set Open Mic Recording threshold to the lowest (to 0)
5. If the setting is too high your voice chat won't work
6. Save settings and launch your warfare to check Modern Warzone/Warfare Voice Chat Not Working
Updated version of the graphic driver will be downloaded and installed
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Press Windows and R a dialogue box will appear
Type “devmgmt.msc” and press Enter key
A device manager box will open and expand Audio inputs and output
Then Right-click on each sound hardware
Select Uninstall device
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After uninstalling Right-click anywhere on the same box and click scan for hardware change
After scanning default audio drivers will automatically be installed
Restart your PC and launch the Warfare and check if Modern Warzone/Warfare Voice Chat Not Working
Select Uninstall device