Applies to: DH81NK/DH41NK/DM21O/DM31O/DL81A/DH81S/DH81NG/DN81NB/DM41G/DN41CJ/DN81BJ/DDN61EC/DG81W/DG61X/DG41T/DT81DQ/DT41DC/DT61ER
Usually, when you connect DVR to a power source with adapter, the monitor will show Annke or Sannce logo about 10 seconds. Then you will hear a beep and see a video of the camera(if the camera is connected) and setting panel on the screen.
If it enters the procedure to Annke logo or its stays color mode and can‘t, the system doesn‘t power on successfully.
Please try the methods below.
1. If you are using HDMI port on DVR, please try VGA port if you can.
2. Unplug the adapter and plug again for several times.
3. Try another adapter.
4. Unplug all cameras.
5. Uninstall hard disk drive if it is pre-installed. Here is the method. https://help.annke.com/hc/en-us/articles/360000249441-How-to-install-a-hard-disk-drive-