Sounds like you have a bad harddrive which is what DVR's usually record their data to. You need to take it in to get it fixed or if you can do it yourself, find out what kind of drive it has, e.g. the size of it, the interface (IDE or SATA) and then purchase one close to the same size and replace it.
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Sounds like you have a bad harddrive which is what DVR's usually record their data to. You need to take it in to get it fixed or if you can do it yourself, find out what kind of drive it has, e.g. the size of it, the interface (IDE or SATA) and then purchase one close to the same size and replace it.