I finally managed to access the router by netinstall, but unfortunately I did not quite understand what I did differently. It was very strange. Now it works well and makes a normal noise at startup. I thank everyone who helped me with posts.
Artur

I appreciate your help, but I think my RB951-2n is death. I tried all possible ways: - I tried to reset with jumper hole and reset button - I tried winbox by mac, with different configurations - tried this: http://wiki.mikrotik.com/wiki/Manual:Winbox - and this: http://wiki.mikrotik.com/wiki/Initial...

Hello I also have a RB951-2n, and after I tried to reset, it stopped responding. I've tried using the netinstall, but I did not succeed in gaining access. When I press and hold the reset button until the "ACT" led start flashing, I think it flashes slower tan I expected, in periods of more...

thanks for your reply. I'll try the recommendations that you made, and then put the results here.

Hello In my home network, I recently replace a low budget ADSL Router for a Mikrotik RB951G-2HND. The RB connects to the internet via PPPoE on eth1, with a modem (D-Link DSL G624T) which is configured as bridge. The modem is completely transparent, so I cannot reach its IP across the network. I mana...