dead

hi everybody please help me my dvr ids7208huhim1/s is dead during update electricity was cut off and update incomplete so the dvr not looading and give sound beep my device no rs232 port i need how connect to white 4-pin 1.5mm and what equipment(connector ) needed ?? and how ??? is there any...

Hello good afternoon, I have a Dahua HCVR7108H system with 4 cameras connected. The system has always worked fine, however recently in the middle of the night it started to beep. To stop the noise I turned it off and on again, and from there, it didn't work anymore! The front and inside(board)...

Bought a second hand DS-7216HGHI-SH. Was told that just power adapter is missing. I have added regular 12V DC socket in parallel, so I can use standard 12V connector. In process I have noticed that all four 470u/10V caps were swollen, so replaced all caps just in case. On board battery CR-1220...

So I've got a Hikvision DS-2CD2742FWD-IS. Worked fine for about 1 month but in the last day decided to stop working properly. - only thing I changed was the password on my NVR but all other 7 cams (same model) still work fine POE lights on NVR don't flash anymore - but on the camera the red...

Hi All, I have a Hikvision DS-2CD2132-I Camera that has gone completely dead; I'm guessing there is no hope for it, but thought I'd post here to see if anyone had this happen to them as well, or found some sort of solution. I had the camera installed for about 1 day, working perfectly. I then...