The frustration is real: You’ve installed your cameras, connected the DVR to a monitor, and the system prompts you for a username and password. The manual is either missing or unhelpful. What do you do?
A: Usually, no. A factory reset clears user settings and passwords but often preserves the hard drive’s video data. However, some models may prompt you to format the drive. Backup critical footage first if possible. rohs dvr default password