How to restore a routerOS device using Mikrotik netinstall
Manual:Upgrading RouterOS - MikroTik Wiki
Netinstall | how to do Netinstall on Mikrotik | Recover Mikrotik OS - YouTube
DoubleSquare Networks Inc. - MikroTik 1 Day Seminar on MikroTik Router OS Hotspot and Internet Cafe Applications.. Outline--> Introduction to MikroTik Initial Configuration -Access to Internet -Securing your Router Dual Wan Configuration -