You need to use the TV remote, and change the input to video, or DVR ...or something. Run through the various input channels, and you will find it. Invalid format is like if my TV is set to RGB/PC input, but the screen has timed out and is in sleep mode (no display) ...it puts invalid format on the screen. Or if you go to straight TV instead the channel that's connected to the box, same thing. You have to have the right input selected. You usually need the remote for it.
SOURCE: bunker hill security system hdd light does not blink
You have this posted in the wrong procuct category. Please re-post.
SOURCE: bunker hill dvr security
Your problem lies in the hard drive. It no longer is booting the DVR. There is a partition on the drive that holds the operating system so it doesn't get overwritten when the drive fills up with video. You need to contact the manufacturer to get a new hard drive since the software to run the DVR is on the drive.
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