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You click "Play" on Steam. The screen goes black for a second. The menu music stutters. Then, bam—a gray dialog box slams down, reading: "Sound Bank Failed to Load. Please check the Sound section of the Settings menu. (Error code: 0x0000006b)." Or simply: "Failed to load sound bank 'ui_pc_common'"
If you own the game officially on Steam, the fastest and most reliable fix is to let the client scan and repair your installation. Steam will identify any missing or corrupted files (like your sound banks) and redownload them cleanly. Open and navigate to your Library .
The error often occurs if the game's language settings don't match the installed localization files. Navigate to your game directory. Locate the folder named _Language Switcher .
Once you have the game running smoothly, these steps will help you avoid the error in the future:
Black Ops 2 was developed for older audio standards. If your Windows sound settings are configured to an ultra-high bitrate, the game's audio engine will fail to initialize. Press Windows Key + R , type mmsys.cpl , and hit . call of duty black ops 2 error sound bank failed to load
Steam will download any missing assets, which often fixes the sound bank error immediately.
How to Fix the "Error Sound Bank Failed to Load" in Call of Duty: Black Ops II
is typically caused by missing language files, incomplete installations, or outdated system drivers . Quick Fixes for Common Platforms
For players using specific distributions (like DODI or SteamRip), the sound files may be "trapped" in a subfolder. You click "Play" on Steam
In technical terms, Call of Duty: Black Ops 2 uses a proprietary sound system that loads "banks" of audio files (like weapon sounds, character dialogue, and environmental noise) when you switch between Multiplayer, Campaign, or Zombies.
Some users report that the game fails because the sounddata folder name is too long or in a directory with spaces.
Even if your PC has the latest DirectX, BO2 often requires the specific DirectX 9 redistributable to function.
The error manifests differently depending on your game mode. Then, bam—a gray dialog box slams down, reading:
Call of Duty: Black Ops 2 features a notoriously finicky sound engine. If you have multiple audio devices plugged into your PC (for example, a USB headset, a monitor with speakers, and an internal sound card), the game can get confused as to which device to pull audio from. Conflicts between an onboard audio device and a PCI sound card are known to cause immediate crashes.
Sometimes, the audio error is a symptom of general driver instability.
Sometimes the game fails to initialize the sound bank because it cannot find an active audio device.