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GoPro video corrupted after the battery died?

The battery ran out mid-run, the camera got knocked, or the card popped out. Now the clip shows up as a file that won’t open, or plays as 0:00. The footage is usually still on the card. What’s missing is the last thing the camera writes when you press stop.

Why this happens

A GoPro MP4 has two parts: the video itself, written continuously while you record, and an index (the moov) that lists where every frame is. The camera writes the index at the very end, when recording stops normally. If power is cut first, you get a file full of footage with no index, and players give up on it.

First: let the camera try

1. Don’t format the card, and don’t record anything new on it.
2. Put a charged battery in, put the same card back in, and power on. Many GoPro models check for an interrupted recording and try to repair it on their own. Older models show a repair or “SOS” icon; press a button when it appears.
3. Copy the card’s DCIM folder to your computer and try the clip again.

Also look for a .LRV file with the same number as the broken clip (for example GL010042.LRV next to GX010042.MP4). It’s a low-resolution copy GoPro records for previews. It’s not the full quality, but it may play, and it’s better than nothing.

If the camera can’t fix it

Most recovery tools look for the start of a file, then read onward. On a GoPro card that often goes wrong: long recordings are split into 4 GB chapters, clips get fragmented on a card that’s been reused, and a file without its index is just a stream of frames the tool can’t make sense of.

Keepsake works differently. It scans the card underneath the files and folders and:

• finds the H.264 or HEVC frames themselves, even with no index and no file record left
• takes the decoding settings from your other clips on the same card, shot by the same camera, so the recovered frames decode correctly
• checks the result frame by frame and rebuilds a video that plays, with the sound
• also recovers GoPro clips that were deleted, or lost when the card was formatted

Step by step

1. Take the microSD card out of the GoPro and put it in a card reader on a Windows 10 or 11 PC. The GoPro’s USB connection won’t let any recovery tool read the card directly.
2. Download Keepsake, open it, and allow administrator access when Windows asks.
3. Pick the memory card and start the scan. It only reads; nothing on the card is changed.
4. Preview what it finds for free. If the broken clip is there, a $49 license saves it to your computer.

What can’t be recovered

If the card was reused after the accident, new recordings may have landed on top of the old ones. Those frames are gone for good, and no software can bring them back. Keepsake will tell you honestly how much of each video survived, and can save the parts that did as clean clips.