popi110 0 Posted May 3, 2016 hi have installed floureon 8ch dvr and conected 8 cameras but the unit will only display 6 ch at any one time in 8 windows two stay black. if i disconnect one of the displayed cameras one of the undisplayed camers will then show my first thought was there was not enough amps for the cameras so i added an eatra power supply this has not worked any ideas please Share this post Link to post Share on other sites