Lisa posted an answer for this Apple MacBook Pro Laptop Computer with Intel Duo Core 15.4 Inch PC Notebook:
"Whenever you are unable to access the macbook completely. it can be due to the many..."
Lisa posted an answer for this Belkin Wireless G Plus MIMO (F5D9230-4) Router (1010835):
"you should reboot the router and computer. also, check the connection. may be your router..."