How do you fix garbled video?

To fix garbled video, start by checking the video file for corruption using a media player that can identify issues, like VLC. If the file is corrupt, try using video repair software such as Stellar Repair for Video or Digital Video Repair. Additionally, ensure that your video codecs are up to date, and consider converting the video to a different format using a reliable video converter. Lastly, if the issue persists, re-download or re-transfer the video from the original source.