IP2M-843EB Hard reset

[mertore]

Hi guys
A couple of weeks ago i bougth a set of NVR with cameras
And a friend help me with the installation, but he forgot write down the password of the cameras.
I been looking for a way to hard reset them since they don't have a button.
I found a couple of messege in here for hard reset, but the board of my cameras is different.
Can't find the 2 holes needed for hard reset.
I need help

[Melvin]

Hello mertore,

Please open the camera and there will be a button inside. Please press for 45 seconds, then let it go.Please push the button into the socket. In some case, a tip of pen was used to push the button in.