Cannot resolve DNS-server may be down-Windows Vista

I'm having an intermittent and repetitive problem on my laptop, which uses Vista Home Premium.

My internet connection will reduce and out of a few hours every few weeks.  Nothing works, not games, or msn or all browsers, including firefox, internet explorer and google chrome.  When I run "diagnose and repair", it will sometimes say there is no problem, then later say that my DNS server cannot resolve the ISP addresses, and the server may be down, and that the problem cannot be repaired automatically.  It remains down for hours to days in a row.  I have a wireless connection, which is shared with 2 other computers.  The two other ones work very well, to my knowledge.  Any ideas?  I am so frustrated with this.  :(

Oh and if you leave any ideas (which I appreciate), please keep in mind that I'm computer illiterate... I use especially programs games/internet/Word, and the words tech-type are completely lost to me.  If the details and explanations are greatly appreciated!  Thank you!

bittyS,
Thank you for visiting the Microsoft Answers community forum.

It would be useful to know a few more things.  What type of router you have which is shared by all the computers on your network?  What type of Internet connection you have - is - this cable, DSL, satellite, etc. ?  Who is your Internet service provider?  Other computers never have a problem with connection to the Internet at all?  When your computer loses its Internet connection, have you tried to reboot to see if it will come back and log in?  Have you tried to reboot the router (which is made by disconnecting the power, wait 30 seconds and reconnect).

I would recommend that you update the driver for your wireless interface card, it seems that it does not provide the connection and this could be a driver problem.  Here's how:
1. open network connections by clicking the Start button, clicking Control Panel, clicking Network and Internet, click Network and sharing Center then click on manage network connections.
 
2 right click on the wireless network adapter and then click on configure, then click driver then put to update driver.  Make sure that you have downloaded the latest driver from your manufacturer and loans.

This information should be helfpful and is easy to understand the following terms:
Network connection problems
http://windowshelp.Microsoft.com/Windows/en-us/help/33307acf-0698-41ba-B014-ea0a2eb8d0a81033.mspx#ESEAE

Let us know if this solves your problem, or if you need additional assistance.
Thank you
Gloria
Microsoft Answers Support Engineer
Visit our Microsoft answers feedback Forum and let us know what you think.

Tags: Windows

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