Agreed that’s why the first thing I told him to check was power supply.
But if disconnecting from the Internet solves it, it’s not the power supply or hard drives
Dahua DVR - HDCVI Locking up
- Thread starter Tondar
- Start date
Agreed that’s why the first thing I told him to check was power supply.
But if disconnecting from the Internet solves it, it’s not the power supply or hard drives
Well I thought I had this figured out but the DVR has been running with the ethernet cable disconnected for a few weeks and has locked up twice. There are no bread crumbs in the log files when this happens, the only thing I see is a 01 reboot code that happens when I have to cycle the power supply in order to force reboot it.
The power supply has been replaced, it still happens.
If there's any malicious code on the DVR would a factory reset remove it? This is the reason I was looking for firmware, I wanted to do something to eliminate any malicious code that may now be on the DVR - not that I know updating firmware would do this.
With nothing in the logs and the S.M.A.R.T. Info in the logs showing all the statuses as "OK" I have nothing to go on. Any reason to replace the hard drive? Thanks again for all of the assistance.
The power supply has been replaced, it still happens.
If there's any malicious code on the DVR would a factory reset remove it? This is the reason I was looking for firmware, I wanted to do something to eliminate any malicious code that may now be on the DVR - not that I know updating firmware would do this.
With nothing in the logs and the S.M.A.R.T. Info in the logs showing all the statuses as "OK" I have nothing to go on. Any reason to replace the hard drive? Thanks again for all of the assistance.
Do you have your DVR connected to a UPS? IF you do have a UPS is it a Pure Sinewave UPS? Have you tested your Power Outlet that you hardware is connected to? If not connected to a IG or UPS I would double check the power supply and Voltage at the outlet. If you are using a Arc Fault breaker I would make sure to use some type of protection for your devices and a Pure Sinewave UPS is a good starting point. Arc Fault breakers can damage things that are connected so best to use a UPS..
initially I would try to remote view and PSS couldn't connect, I would get to the DVR and viewing the TV connected to the HDMI port would show nothing, plugging/un-plugging the HDMI cable wouldn't bring it back - I'd have to power cycle to bring it back. Other times I have been home when it happens, the buzzer comes on and holds until I cycle the power. Now that I am not port forwarding anymore I occasionally just go to the TV and there's nothing on the screen. I can't bring it back without power cycling.
I have not tested the power, it's just connected to the wall outlet thought a surge protector. I have swapped it to a different surge protector to see if that has an impact... no difference.
It absolutely does stay alive longer not connected to the internet.
Hmmm The fact that there's a noticeable change when disconnected from the Interwebs is still suspicious. No FW wont fix it and you wont find updated FW for a 10+ year old DVR. They don't/didn't update DVR FW very often and quit when it goes EOL, Factory reset will typically do it
HD doesnt seem to be the problem , error code doesnt point that way and SMART says ok
Power still possible but doesnt make sense with the disconnect from the Internet
At the age it is, I'd be shopping. I have 3, manage 2 more, and friends have 3 more that are all 2017-2018 and still going strong. If it makes it to 10 I'll likely upgrade whether it needs it or not, the technology makes most of this stuff obsolete in 2-3 years anyway, certainly at 10.
HD doesnt seem to be the problem , error code doesnt point that way and SMART says ok
Power still possible but doesnt make sense with the disconnect from the Internet
At the age it is, I'd be shopping. I have 3, manage 2 more, and friends have 3 more that are all 2017-2018 and still going strong. If it makes it to 10 I'll likely upgrade whether it needs it or not, the technology makes most of this stuff obsolete in 2-3 years anyway, certainly at 10.
@bigredfish - could it be the hacker coded something that is still trying to get out to the internet, but since it isn't connected it keeps failing and retrying and over time all the attempts builds up and locks it up, whereas when it was connected to the internet, it was able to make the connection and use it for DDoS or bots or whatever it is doing?
Possible I suppose, they say we put a man on the moon a while back.Still a reset should clear it I would think
Whats the model # on the tag on your DVR?
HCVR7408L, which took me a while to figure out as GenIV Technology did everything they could to hide this. In the software it just says the model is HCVR
Still a reset should clear it I would think
Whats the model # on the tag on your DVR?
Found some FW, not sure what Version you have, and I can't guarantee it will take or not brick your machine..
www.visiotechsecurity.com
Under Downloads/FW
From 2017 9/22
And it may be buried in here but I cant be sure what version your DVR can handle
Pretty sure its the S2 but again I cant be sure and there is a risk
This chart would seem to suggest thats the latest
HCVR7408L | HDCVI/CVBS/IP Universal Recorder
Get HCVR7408L | HDCVI/CVBS/IP Universal Recorder at top prices. Visiotech, wholesale distributor of universal recorders
From 2017 9/22
And it may be buried in here but I cant be sure what version your DVR can handle
Pretty sure its the S2 but again I cant be sure and there is a risk
Index of /Firmwares/Recorders/HDCVI/HCVR7X(V2.0)
files.dahuatech.support
This chart would seem to suggest thats the latest
Apologies for taking this long to reply back with an update. @bigredfish thank you for the links to the FW, I was able to update without bricking the DVR!
After the firmware update, I thought all my problems were solved as for many weeks the DVR just worked again, it wasn't locking up anymore. However, I wasn't checking logs, and I happened to be home when I heard the buzzer beep signaling it had rebooted. It would normally only do that once per week and this wasn't that pre-programmed time. I checked the logs and saw it was shutting down (abnormal code) about every other day, the difference now is it was simply rebooting/restarting and returning to normal operation until the next shutdown. I decided to go ahead and replace the hard drive as the last thing I hadn't touched, figuring I could use it in a new NVR anyway if it didn't solve anything... it didn't, kept shutting down/rebooting.
I then decided to do something I should have done from the beginning (hindsight is always 20/20). I disconnected everything from the DVR, camera's, ethernet cable, HDMI cable, even the mouse, only thing connected was the power cable. I let it run like this for 2 weeks - NO SHUTDOWNS! I then started adding connections to see if I could find a culprit
Next year I will start finding a replacement but for now everything works, I am scared now to turn back on port forwarding so I have just decided to do a regular one min recording in addition to motion detection and send those files to an FTP site I have that I can download and watch when I feel the need.
This takes me to my next question, and if I should start a new thread in a different section let me know, Is there any "safer" way to use port forwarding for remote viewing? For example: using a VPN? What if I had a better hardware firewall like Ubiquiti or Fortinet as compared to my past EOL Netgear router?
I will also start another thread with what I learned early in the year updating the cooling hardware in this DVR, interesting discoveries there too
Thank you again for all the help!
After the firmware update, I thought all my problems were solved as for many weeks the DVR just worked again, it wasn't locking up anymore. However, I wasn't checking logs, and I happened to be home when I heard the buzzer beep signaling it had rebooted. It would normally only do that once per week and this wasn't that pre-programmed time. I checked the logs and saw it was shutting down (abnormal code) about every other day, the difference now is it was simply rebooting/restarting and returning to normal operation until the next shutdown. I decided to go ahead and replace the hard drive as the last thing I hadn't touched, figuring I could use it in a new NVR anyway if it didn't solve anything... it didn't, kept shutting down/rebooting.
I then decided to do something I should have done from the beginning (hindsight is always 20/20). I disconnected everything from the DVR, camera's, ethernet cable, HDMI cable, even the mouse, only thing connected was the power cable. I let it run like this for 2 weeks - NO SHUTDOWNS! I then started adding connections to see if I could find a culprit
- Connected the HDMI and mouse - shutdowns returned
- Disconnected everything again - no shutdowns
- connected only the mouse - no shutdowns
- Connected one camera - no shutdowns
- Connected all cameras - no shutdowns
- Connected the ethernet cable (port forwarding and FTP disabled) - no shutdowns
- Turned on motion detection - no shutdowns
- Turned on FTP for motion detected recordings - working, no shutdowns
Next year I will start finding a replacement but for now everything works, I am scared now to turn back on port forwarding so I have just decided to do a regular one min recording in addition to motion detection and send those files to an FTP site I have that I can download and watch when I feel the need.
This takes me to my next question, and if I should start a new thread in a different section let me know, Is there any "safer" way to use port forwarding for remote viewing? For example: using a VPN? What if I had a better hardware firewall like Ubiquiti or Fortinet as compared to my past EOL Netgear router?
I will also start another thread with what I learned early in the year updating the cooling hardware in this DVR, interesting discoveries there too
Thank you again for all the help!