Sometimes, your DVR or NVR shows video loss or no video, it's possible that your NVR/DVR is not capable of decoding the video stream, especially when you apply security cameras from different brands. When the DVR turns back on, you should now be able to get to the HDD Management Menu. Lorex dvr not booting up 4) Use the proper settings for your particular PTZ camera in the PAN/TILT/ZOOM screen.
