I have just started noticing that power surges or whatever it is that can cause the relationship between the dvr(s) and the external HDD expander(s) to go wrong so that the video gets corrupted. The shows are recorded apparently, as it is listed, but when you try to play it, it's not there with only a blank/black screen or only a small part of it or as more than likely with an error message about the external HDD not being connected. I have also figured out that it may be fixed by doing the unplugging the power to the dvr first and then the external HDD expander and then replugging first the external HDD and then the DVR - when powering off and repowering the dvr and external HDD to pause each action between 10-20 seconds that is between unplugging the power to the dvr and then the external HDD and replugging with the same pauses.
The question is what exactly is happening here and why does this seem to work? Is the relationship between the dvr and external HDD out of sync and what is it? I'm asking as a nontechnically minded person who have lost 3 dvrs to this problem with the many hundreds of recordings including the missed timer recordings and have being having the same problems with currently 2 dvrs , if they are related to this issue!
The question is what exactly is happening here and why does this seem to work? Is the relationship between the dvr and external HDD out of sync and what is it? I'm asking as a nontechnically minded person who have lost 3 dvrs to this problem with the many hundreds of recordings including the missed timer recordings and have being having the same problems with currently 2 dvrs , if they are related to this issue!