What I'd do:
1. Physically force her off
2. Unplug router and take cord
3. Unplug PC, tell her that you'd fix it for five bucks and the computer for the rest of the week
4. Threaten to tell mom and dad something that she'd get in trouble for
5. Put password on computer
6. Get her to buy her own computer
7. rape
7. ???
8. ???
9. ???
10. Raperape
>Profit