Recent content by mcalex

  1. mcalex

    Dahua nvr stopped recording and displaying camera survilance video(event video loss)

    I get it.However the one we had worked for 6 years without problems and power supply died two days after plumbers.It may have nothing to do with it,I am just considering possibilites. The new one that we got was from licenced cctv repair service and we provided them the original one so they...
  2. mcalex

    Dahua nvr stopped recording and displaying camera survilance video(event video loss)

    Cctv power adapter supplies power to all 4 cameras via single cord. CCTV power supply adapter is plugged inside extension cord with three plugs sharing electriciry with monitor power suplly and dvr power supply. That extension cord is plugged into another extension cord which have something else...
  3. mcalex

    Dahua nvr stopped recording and displaying camera survilance video(event video loss)

    As far as I have seen all 4 cameras are connected to the same power port. It has worked for like 4 hours and before dying of power supply interference like strip lines started to appear on the screen. I want to note that I have found dahua dvr unusually hot after connecting power supply to...
  4. mcalex

    Dahua nvr stopped recording and displaying camera survilance video(event video loss)

    I got new probblem!The new power supply that I bought died after several hours and I got the same problem.I dont know what is causing power suplly of camera to malfuction.It has never happened before.
  5. mcalex

    Dahua nvr stopped recording and displaying camera survilance video(event video loss)

    It does make sense now I guess.Or it can be something related to dvr
  6. mcalex

    Dahua nvr stopped recording and displaying camera survilance video(event video loss)

    Congratulations!You were right 100/100.Changed power suplly fpr cameras,now its working.I dont know how did you know.
  7. mcalex

    Dahua nvr stopped recording and displaying camera survilance video(event video loss)

    How can I replace it? I should probbably know the model of the cameras,but I am not sure how can I fpund out that because company was installing survilance long time ago.
  8. mcalex

    Dahua nvr stopped recording and displaying camera survilance video(event video loss)

    It happened all of a sudden at 5a.m in my shop 2 days ago. I was outside and no one was doing anything to the video recorder or cameras,so it happened all by itself. Since then Instead of video stream ,I only see dahua black logo on all 4 squares where video stream should appear. Video footage...
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