Dahua nvr camera status problems

Baldcamman

Pulling my weight
Jan 7, 2019
289
126
Georgia
I sold my older Dahua NVR and older cameras that were running fine on that system. Buddy has hooked up couple cameras and we can't get them to come online. The registration status is red x. First thing that comes to mind is I had 2 hard drives. if I took first one and left the one in second position would that matter? He can see it in the system tab under storage.
 
Missing HDD wouldn’t cause the cameras to not be recognized…
 
Don’t know for sure… still shouldn’t affect viewing camera live