Yes, it turned out to be quite simple. I uninstalled Realtek and rebooted. It automatically reinstalled with an update and is working fine.
Windows 10 No Sound in HP Pavilion 17-g101dx
Media Player says: "WMA8 Not Supported - - - OxCOOD5212". Was working fine prior to update.
Thanks.
Windows for home | Windows 10 | Apps
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AI answer
2026-04-18T18:37:31.0533333+00:00 Error 0xC00D5212 with message like “WMA8 Not Supported” indicates a playback/codec problem in Windows Media Player, not a complete loss of sound.
Use these steps on Windows 10:
- Check file compatibility
- Confirm the file type is supported by Windows Media Player. Common supported types include WMA, MP3, WAV, AVI, and WMV.
- If the file is in a less common format or uses an uncommon codec, try another player or convert the file.
- Install or update codecs
- The error can be caused by missing or incompatible codecs after an update.
- Install or update a codec pack as described under “Install and Update codecs” in the Windows Media Player troubleshooting guidance.
- Get the latest Windows updates
- Go to Start > Settings > Update & Security > Windows Update > Check for updates.
- Install all available updates, then restart and test playback again.
- Reset Windows Media Player’s library and cache
- Open Windows Media Player, press Ctrl+M to show the menu.
- Select Tools > Advanced > Restore Media Library.
- Then go to Tools > Options > Privacy, under History select Clear History, then OK.
- Close and reopen Windows Media Player and test.
- Clear the Windows Media Player database manually (if issues persist)
- Close Windows Media Player.
- Press Windows + R, type:
%LOCALAPPDATA%\Microsoft\Media Player\and press Enter. - Delete all files in that folder (do not delete the folder itself).
- Start Windows Media Player again so it can rebuild its database.
- Update audio and graphics drivers
- Open Device Manager and update drivers under Sound, video and game controllers and the display adapter to the latest versions from HP or the component manufacturers.
- Run the Windows Media Player troubleshooter
- Use the built-in troubleshooter via the “Run the Windows Media Player troubleshooter” link in the Windows Media Player errors article to automatically detect and fix common playback problems.
If other apps also have no sound (not just Media Player), additionally follow the general audio steps: verify volume levels, disable audio enhancements, and update/reinstall audio drivers from Device Manager as outlined in the audio troubleshooting guidance.
References:
AI-generated content may be incorrect. Read our transparency notes for more information. - Check file compatibility
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Hendrix-V 14,425 Reputation points Microsoft External Staff Moderator
2026-04-19T04:30:54.61+00:00 Hi James Bond,
Thank you for reaching out.
The “WMA8 Not Supported (0xC00D5212)” message reported in Windows Media Player usually relates to how the file is being decoded or how Media Player components interact with the current audio configuration, rather than indicating that the PC itself has lost sound capability.
In addition to Q&A Assist's response, you can try these extra checking steps:
1, Verify the default playback device
- Go to Settings > System > Sound.
- Under Output, confirm the correct speakers or headphones are selected.
- Click Device properties and ensure it isn’t disabled or muted.
2, Re‑enable Windows Media Player
- Press Windows + R, type
optionalfeatures, and press Enter. - Expand Media Features.
- Uncheck Windows Media Player, apply the change, and restart the PC.
- Return to the same menu and check Windows Media Player again to reinstall its components.
3, Test playback with another Windows app
- Try the same WMA file in Media Player (the newer Windows app) or Movies & TV.
- If the file plays there, the issue is likely limited to Windows Media Player’s legacy playback engine.
If the same WMA file works in other apps but not in Windows Media Player, using the newer Media Player app or converting the file to a common format such as MP3 or WAV can also serve as a practical workaround.
Let me know if you need further assistance, feel free to ask me by clicking "Add Comment" or "Add Answer" if you cannot add comment so your response will be visible. Thanks for your effort.
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