Help. What to do? New Update destroyed all my network connections

I can no longer connect to my wireless system (it was working this morning before I downloaded updates--security, itunes and airport). The first thing support tells me to do is update my OS. Which I would do if I could connect to the internet--but I can't. Network Setup Asst is asking me questions I don't know how to answer: IP Address, Subnet Mast, Router, DNS Servers, Search Domains, lPv6 address. Can anyone help me? Thanks, Jill

Try the following:
To setup AirPort for High-Speed Cable Internet connectivity:
System Preferences > Network > Show > Network Port Configurations
- Verify that an AirPort option exists. If it does not, click "New" to create one. - Verify that AirPort is "On" (checked)
- Verify that AirPort is at the top of the list. If it isn't, you can drag it to the top.
Systems Preferences > Network > Show > AirPort
AirPort tab
- By default, join: Automatic
TCP/IP tab
- Configure IPv4: Using DHCP
- Configure IPv6: Automatically or Off
Proxies tab
- Configure Proxies: Manually
- Select a proxy server to configure: <All proxies should be unchecked unless you specifically require a proxy for Internet access.>
- Exclude simple hostnames (unchecked)
- Bypass proxy settings for these Hosts & Domains: <leave blank>
- Use Passive FTP Mode (PASV) (checked)

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Message was edited by: softwater

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De nada amigo.
Thank You for extending the courtesy of awarding points to comments that are helpful or provide answers in the Apple Support Communities, as this is not mandatory, but it is much appreciated!

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Help. What to do? New Update destroyed all my network connections

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