Disable onboard sound in BIOSĭisable the onboard sound card in the BIOS. If that doesn’t solve the issue, try the next suggestion.
If you are running the game from a secondary partition, download and install the latest BIOS updates from your motherboard manufacturer.
Then let Windows install its default sound drivers.
Uninstall your sound card drivers as follows: Reinstall sound card driversīefore continuing, please make note of the make and model of your sound card prior to removing it in order to aid in reinstallation at a later date. (Currently, the latest available patch is v1.7.) Make sure PunkBuster is updated to the latest version. If you have a Sigmatel onboard sound card, install all Windows updates and the latest Sigmatel drivers from. Call Of Duty 4 Download Sigmatel: install updates To do that, click on Digital Output in the upper bar and on Set Default Device next to the volume adjuster.