How to Format HDD on Annke DVR/NVR?

Purpose: If your Hard Disk Drive can't be recognized or the DVR/NVR suddenly becomes unable to record or playback, You can try to format your HDD.

Before you start: Please make sure yours does include a pre-installed hard drive inside first.

Every model has a different firmware version and different versions have different interfaces.

Please according to your interface choose the corresponding way.

Applies to	Path	Interface
DT41Y/DT61Y/DT81Y/ DN41R/DN61R/DN81R/ DT41GB/DT81GB/DT61GB/ DW41JD/DW81KD/DW61LD/ DT81DP/N48PI/N44PI/ N46PI/N44PAM/N48PAW/ N46PCK/N88PCH/N48WHS	Go to Menu>HDD>General and Init the HDD
DH81NK/DH41NK/DM21O/ DM31O/DL81A/DH81S/ DH81NG/DN81NB/DM41G/ DN41CJ/DN81BJ/DN61EC/ DG81W/DG61X/DG41T/ DT81DQ/DT41DC/DT61ER/ DG41BE/DG81BE	Go to Menu>Advanced>Storage and Format Storage
NW41V/N441H/N441K/ N28WEB/N441B/N441D/ N441L/N44PAN/N44PAJ/ N34WDB/N34WDD/N44WEB /N44WED/N44WEC/NW41V/ N44WBD/N48WHP/N48WH/N48WHR	Go to System Setup>General Setup>HDD setup and Format the HDD
AI Detection serial DVR	Go to Storage-->Storage Device and Format the HDD
N48PAW/N46PCK/N44PAM/N88PCH/ N96PBD/N931BB	Go to System Setup-->Record-->Storage and Init the HDD
DW81KD/DW41JD/DW61LD	Go to System Setup-->Record-->Storage and Init the HDD