Modern AHD systems often have built-in recovery options that don't require external software:
Before attempting a hard reset, test common factory defaults based on your device brand: Generic/H.264 AHD: | Password: (leave blank) Dahua/OEM: | Password: Hikvision/OEM: | Password: (Older models only; newer ones require unique setup). Sannce/XMeye: | Password: (leave blank) www.asmag.com 2. Hardware Reset Methods ahd dvr password reset