When i power up the NVR 1008H... I still keep seeing the logo. I can use my mouse/cursor. But there is nothing else on the screen that i can interact with. Do i absolutely require an HDD to run this N

I have been unable to view the camera stream since last 3 days. I am able to ping the camera. The camera goes to night vision (IR turns on) means hardware is working on the inside. ffmpeg shows that i