Hyperterminal

Hi!!

I have a router cisco3600, and I need password recovery, and for this, I should press a key combinations for break sequence and put the router into ROMMON.
My O.S. is WinNT 4.0 sp6, and I’m connected to the router by hyperterminal PrivateEdition version 6.1 . When I pressed a key combination, didn’t work, but with Windows 2000 worked.

What can I do ??

Thks.