Member Avatar for les1027

I Have sound from everything else but not dvds...I have checked may differebt forums etc and have found nothing to help, although it appears I may need a codec? Please help..thanks alot!

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Common causes for “sound from everything else but not DVDs” are: the DVD player software is sending Dolby/DTS bitstream to a device that can’t decode it, the wrong Windows playback device is selected, or an older internal drive’s analog cable to the sound card is missing. ’s post mentioned a download but no attachment was present; avoid running unknown files. ’s questions about drivers and cables are on target — those items belong in the checklist below.

Try the following diagnostics in order:

  1. Test with a player that includes its own decoders (for example, VLC). If sound appears, the problem is a missing codec or player setting.
  2. Verify the system default playback device and per-application volume: open the OS sound control panel (Playback devices) and the Volume Mixer; confirm the DVD player app isn’t muted and the correct device is set as default.
  3. If the PC sends audio over S/PDIF or HDMI to a receiver, set the DVD player’s audio output to “PCM” or “stereo” (disable AC3/DTS passthrough) so the PC downmixes to playable stereo. If the receiver is expected to decode, confirm it supports the disc’s format.
  4. For older internal IDE drives: check that the 4-pin analogue audio cable (drive -> sound card) is connected. For a PCI sound card, ensure its drivers are installed and set as the default device.
  5. Update/reinstall the audio driver in Device Manager and try a different DVD (or a ripped VOB/IFO) to rule out a bad disc. Avoid random codec packs as a first step; prefer a trusted player with built-in decoders.

Typical root cause is decoder/output mismatch (AC3/DTS bitstream with no decoder). If the problem persists, list OS, DVD drive model, audio device name (Playback devices), connection type (analogue / S/PDIF / HDMI), and the DVD player software used. That information makes targeted troubleshooting possible.

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Member Avatar for RJCO

download the attached file and install it ....ok

Member Avatar for les1027

download the attached file and install it ....ok

I don't see an attached file...

Member Avatar for Idoneit

Have you checked for the most recent drivers for your DVD?
Do you have the cable plugged in from the DVD to the sound card?
In device manager is your DVD functioning properly or does it have confilicts?

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