Typical causes of random resets include:
* Poor AC power quality. Be sure the AC power cord is properly inserted at both ends. How old is your home's electrical wiring? Powering the DVR using a UPS instead of a surge protector is highly recommended.
* Overheating. Is your DVR in an enclosed cabinet? Could the fan be dirty or blocked?
* Dying hard drive.
* Poor AC power quality. Be sure the AC power cord is properly inserted at both ends. How old is your home's electrical wiring? Powering the DVR using a UPS instead of a surge protector is highly recommended.
* Overheating. Is your DVR in an enclosed cabinet? Could the fan be dirty or blocked?
* Dying hard drive.
