Sounds are not being played or are being played on only one speaker when I play Source games - what should I do?
Disable Onboard Sound Card
If you have installed a sound card on a system which has an onboard sound card built in to the motherboard you will need to uninstall the onboard sound card drivers and disable the onboard sound card to ensure it does not interfere with sound playback.
Remove Onboard sound card drivers and disable device
- Go to the Start button and select Settings then Control Panel
- Double-click the System icon
- Select the Hardware tab
- Click the Device Manager button
- Browse to the Sound, video and game controllers node and double-click your onboard sound card's icon (i.e. Intel(r) 82801BA/BAM AC'97 Audio Controller)
- Switch to the Driver in the Properties window
- Click the Uninstall button and then OK to uninstall your onboard sound card's drivers
- Switch back to the General tab
- Under the Device usage: drop-down select Do not use this device (disable) and click OK
Update Sound Card Drivers
Please see the link below for instructions to determine your hardware model and current driver versions, and update your sound card drivers:
Remove USB sound devices
If sound issues persist after you have disabled your onboard sound card and updated your sound card drivers, please check your system for any USB-enabled audio devices which may be causing interference. (This includes any USB headphones, microphones, or other audio playback or recording devices)
Vista and Windows 7 Users
- Launch the game and type the following into your console: snd_legacy_surround 1.
- Check the Windows Volume Mixer to ensure that the individual game has not been muted. If your Volume Mixer is not display in the System Tray, right-click the Taskbar, click Properties, and ensure that the Volume checkbox is marked.