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#11
Hi Sarah... i have excatly the same computer and im having excatly the same problems. Sorry, i cant help you yet as havent found the solution!
I have a PS3 and laptop which use the router, but never lose connection...
rebooting the computer makes the internet work again (the internet connection from the router is never lost).... The computer also freezing when shutting down and i have to hold down the off button.
Glad to see im not the only one, well... sort of... will be glad to find the solution!!