1. Rebooted or crashed refrequently after DVR run.
1.1 The input voltage is instable or too low. Recommended to install the power regulator or UPS.
1.2 The hard disk jumpers is incorrect.
1.3 Hard disk with bad track or the cable issue of hard disk, you can check the log appendix to view the hard disk time out or damage
1.5 Poor heat dissipation,It caused by too much dust in case.
1.6 Electromagnetic interference. Many crash and reboot are caused by the interference.The outside power cables, inverter air conditioner ,the cars or other large equipments will cause the host unexpectedly reboot or crash frequently.
1.7 hardware failure, send the failure machine back to the company for maintenance.