1. No, there's no firewall icon.
2. Motorola USB Modem, and my isp did'nt informed me about my router, and i dont know how to find it out on my own. excuse my ignorance.
3. Yes, thats the test, and it did'nt work
4. I swear there's no preferences folder, i looked for it everywhere, i even looked it with the windows search. There is no preferences folder, i dont know why
5. I guess the laptop thing is an interesting idea, but right now i dont know anyone who owns one .