Hi, my Macbook says its connected to the internet, but it's not working.  It's about 2 years old and has been fine up until now.  Its the same internet provider and I have a work PC laptop that is connecting fine.  Any help greatly appreciated.  Liz

Hi,
My MacBook Pro won't connect to the internet, although it says it is connected.  The laptop is about 2 years old and up until now has worked fine.  My work PC laptop is connecting to the internet fine so I know it can't be the connection.   I've checked for Adware/Malware (just in case) via safemac and that all seems fine.
I'm running OSX 10.8.5.
Any advice would be greatly appreciated.
Many thanks
Liz

Believe it or not, that article helped me find a temporary solution. After reading it I realized that the problem did have to do with my DNS settings. I had taken the DNS settings that my ISP gives me when I dial up and plugged them into the configuration for my AirPort card. This apparently caused a problem because, although my wireless network is always on, it's not always connected to the internet. So those DNS settings were invalid most of the time.
I found that as long as I leave the area for DNS servers blank, the computer logs in normally. This further confirms my suspicion that something was trying to access the internet at login. I guess as long as I don't specify any DNS servers, the computer realizes it doesn't have an internet connection through my AirPort card.
So I just created two network locations: one for when my network is connected to the internet and one for when it isn't. In the first, I kept my original DNS settings because they work as long as I have an internet connection. In the second I did not specify any DNS servers. This seems to work fine, but I'd still like to know what is trying to access the internet at login. I've disabled the automatic update feature in all my programs that have it, but that doesn't seem to help the slowdown at login. Does anyone know how I could figure out what program is trying to access the internet?

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