| Problem | Likely cause | Solution | |---------|--------------|----------| | | Default track is English | Switch audio track manually | | Video plays, no sound | Codec missing | Use VLC or MX Player with custom codec | | Audio out of sync | Bad muxing | Use VLC’s audio delay (G or H keys) | | File won’t play on TV | x265 codec unsupported | Convert to x264 or use external player | | Subtitles not showing | Not embedded | Download .srt from subscene.com |