Afraid I messed up my network connection settings

So this is the problem.

I usually use a WiFi connection when I'm at home. I don't have my own wireless connection so I connect to one that is available.

Well yesterday I used my internet friends home. When I plugged the Ethernet cable to my laptop, the internet would not work. So I clicked on diagnose and repair. I followed the steps and changed my setting so that my computer should automatically detect an IP address and DNS server... Now I can't connect to the wireless network, I normally do? What should I do? I tried to restart, and restore my laptop and nothing works. When I try to diagnose and repair the same message appears ' ping server no response from host ' what should I do?

Windows Vista Home Basic... Service Pack 2

I got a free trial of Mcafee here, but it expired...

Had in your first post you said your version of Windows, the moderator should not have the thread this specific forum Win7. At the time wherever you are reading this, another moderator may have moved to the appropriate specific Vista forum.

The above, see...

Cleaning a compromised system
     http://TechNet.Microsoft.com/en-us/library/cc700813.aspx

Personal data backup (which none should be considered 100% reliable at this point) then format the HARD disk and do a clean install of Windows. Please note that a repair installation (upgrade AKA on-site) will NOT fix it!

HOW to do a clean install of Vista: section "If you want to reinstall Windows Vista by running a new installation...". "ofhttp://windows.microsoft.com/en-us/windows-vista/Installing-and-reinstalling-Windows-Vista

Once installed the clean, you will have the equivalent of a "new computer" in order to take care of everything on the next page before connecting the machine to the internet or one local network (i.e. other computers) otherwise and before using a flash drive or the SD card that is not brand new, or has not been freshly formatted:

4 steps to help protect your new computer before going online
     http://www.Microsoft.com/security/pypc.aspx

Tip: After getting the computer fully patched, download/install KB971029 manually before using a flash drive or another external drive:http://support.microsoft.com/kb/971029

NB: The free McAfee trial will be reinstalled (but invalid) when Windows is reinstalled. (No, you don't get a second shot for the free trial). You MUST uninstall the trial for free AND download/run theMcAfee Consumer products removal tool before installing updates, Windows Service Packs or IE upgrades AND BEFORE installing your new anti-virus application.

See also:

Risks & benefits of P2P file sharing
http://www.Microsoft.com/protect/data/downloadfileshare/filesharing.aspx
http://blogs.technet.com/MMPC/archive/2008/10/06/the-cost-of-free-software.aspx

Measures to help prevent spyware
http://www.Microsoft.com/security/spyware/prevent.aspx

Measures to help prevent computer worms
http://www.Microsoft.com/security/worms/prevent.aspx

Avoid fake security software!
http://www.Microsoft.com/security/antivirus/rogue.aspx

If you need help, please start a new thread in this forum: http://social.answers.microsoft.com/Forums/en-US/vistarepair/threads

If these procedures look too complex - and there is no shame in admitting this isn't your cup of tea - take the machine to a local, good reputation and stand-alone computer (that is, not BigBoxStoreUSA or Geek Squad) repair facility.

Good luck!

~ Robear Dyer (PA Bear) ~ MS MVP (that is to say, mail, security, Windows & Update Services) since 2002 ~ WARNING: MS MVPs represent or work for Microsoft

Tags: Windows

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