If the fan is not spinning, the CPU will overheat and cause the DVR or NVR to reboot or shut down by itself. In this case, the fan that cools down the processor on the motherboard is broken, stuck, burned, or damaged. Sometimes a bad hard drive will make a weird abnormal scratching noise (listen carefully and pay attention to the noises coming from your hard drive). If you have more than one hard drive installed in your recorder, you need to unplug them one by one until you find out which one is causing the recorder to reboot randomly. Regular computer hard drives tend to go bad faster (1-2 years) than the CCTV-rated ones (5-10 years). Make sure to get a hard drive rated for CCTV surveillance systems. You need to replace the bad hard drive with a new one. If the recorder doesn’t reboot or doesn’t shut down randomly, then there’s your solution: the hard drive was bad and was choking the DVR or NVR. Many recorders with the shutting down issue will turn off every 2-5 minutes, in some other cases 30 minutes, either way, you have to wait and inspect if the issue is still persistent. Turn on the recorder and check out if the unit is rebooting again. There are two cables going from the hard drive to the motherboard, one is the data cable and the other one is the power cable.ĭisconnect both of them. To find out if you got a hard drive issue, turn off the recorder and open up the cover of the unit. Important note: you need to use a surveillance hard drive in your NVR or DVR, don’t use desktop hard drives. In a few cases, the hard drive may short circuit the board and permanently damage the recorder. DVRs or NVRs manufactured by various companies will reboot if the hard drive has gone bad or it’s damaged.Ī damaged hard drive will draw more power than needed from the motherboard and cause the whole recorder to shut down on its own. This is one of the most common reasons why a DVR or NVR is shutting down or rebooting randomly. Follow them one by one until you fix the rebooting issue on your recorder. Here we will list all the reasons why a DVR or NVR is shutting down by itself and how to fix each issue. Also, we will offer suggestions and tips on how to fix the DVR/NVR rebooting issue. In this article, we will talk about the reasons that a DVR or NVR reboots or shuts down on its own. Unfortunately, a recorder (DVR/NVR) that shuts down by itself is a common issue in CCTV systems that requires immediate attention. My NVR is shutting down and then turning on by itself? My NVR shuts down on its own? How to fix a DVR or NVR that reboots for no reason? Many people have this particular issue: My DVR reboots by itself? My NVR is rebooting all the time? An NVR or DVR that is shutting down or rebooting by itself is a major security red flag in your CCTV security system.
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