The DVRs don’t have a `general reset button`. But, if you have forgotten your password, you can use our reset password service and then reset the device through the dedicated Settings Menu.
If your DVR is beeping, you should check your logs or the monitor attached to the DVR to see if there are any errors.
Q: I have a costumer with a 16 channel Dahua DVR. But he lost the admin password. Is there any way to reset this of the whole DVR to default. A: Yes, it is, using the master password. Also, you will not lose any current settings.
[[[Question]]]: [[[Hi i have a 4ch dvr and i want to put an other4 cameras to it so i need an 8ch card to put in dvr]]] [[[Answer]]]: There is no card that you can put in the DVR to upgrade/expand the number of channels]]]