I'm asking because it seems I have just had another one fail. That is the second in about 4 years which seems far to often. For this latest one, I upgraded to the latest firmware about 3-4 months ago and it has been running fine. Until today. At some point overnight it hung up or something. All of the lights on the back side where the cameras are plugged in look to be normal, but on the front only the blue "Status" and "Power lights are lit, HDD and Net are not. I tried turning it off/turn it on and same status. Then turned off, removed the power cord for several minutes, reconnected and same status. Any troubleshooting techniques I can try before I have to buy yet another one?