How do I undelete the videos I accidently deleted on my DMR-E80H DVD Recorder?

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I was having trouble with my Panasonic DMR-E80H DVD recorder not being able to record and finalize, so I connected my other recorder without a hard drive to the same TV so I could record from the hard drive of the DMR-E80H to the second DVD recorder. They both use the same remote signals and while finalizing the disc on one device, I accidentally erased all or formatted the hard drive on the other. Not sure which, I only know the end result is an empty drive. I forgot to turn the DMR-E80H off when finalizing on the other and didn't realize the DMR-E80H was receiving the prompts from the remote.

Just wondering if there is any way to recover that data?
Thanks,
Mike

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[lordsmurf]

Probably not.

At best, you'd have to hook the hard drive into a Linux computer. If Linux can see the file system, then you'd have to run an undelete program. Given the size of videos, undeleting content rarely works. It's really an unknown at this point -- it's something even I've never tried to do. Not with DVD recorders. I do know that recovering large videos from a computer hard drive is mostly futile.