1. Switch off PC but leave Modem/Router (Netgear DG632) powered up and connected
2. Send PC into sleep mode but leave Modem/Router powered up and connected
3. Leave PC in sleep mode and pull the phone line from the Modem/Router
4 Leave PC in sleep mode and pull the cable from Modem/Router to Ethernet card in PC
5 Leave PC in sleep mode and pull the power on the Modem/Router
6 Leave everything switched on overnight but enable the Internet lock on Zone Alarm.
Appreciate your thoughts..thanks