How to do a factory reset of DCS-8526lh

Nice to meet you, *****!
Are you talking about D-Link camera?

I see
Please, follow the instructions below:

1. locate the reset button on the camera.
2. take the paper clip and press the reset button for a few seconds.
3. see the lights start flashing.
4. release the reset button.
5. see the lights are now stable.
6. get the camera in the default settings.
7. set up the camera again.

Not a pen, but something thin like a needle or a paperclip