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    video noise on cameras

    Hi all, I started again after one week the DVR and cameras and suddenly I see noise on two of the cameras as in the pics attached. Never happened before. The DVR is iDS-7104HQHI-M1/S and the cameras are DS-2CE17DOT-LFS. The cameras are on UTP cable with video baluns and ground loop isolators...
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    Hikvision DVR wifi

    Hello, I have a Hikvision DVR IDS-7140HQHI-M1/S and i want to put it on wifi network but it doesn't recognise the wifi dongle on USB. The dongle is from TP LINK, also I have updated the DVR firmware from Hikvision website... On the specs the DVR can be used on wifi on usb but..... Thank you!
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    Hikvision cameras noise

    Hello all, I'm new to this forum but I hope that I will find an answer to my problem. I have installed a surveillance system Hikvision, composed of DVR iDS-7104HQHI-M1/S and 4 cameras DS-2CE17DOT-LFS, power source of 12V 10A, through UTP5 cables and video baluns. All good, but I have a permanent...