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If no web browsers on your computer can load websites, it indicates a problem with your Internet connection. This article has resources to troubleshooting that.

This article describes some possible reasons that neither Firefox nor other web browsers can load websites. *If another web browser such as {for win}Internet Explorer{/for}{for mac}Safari{/for}{for linux}Epiphany{/for} can load websites but Firefox can't, see [[Firefox can't load websites but other browsers can]]. If neither Firefox nor your other browser can load any websites, your problem is external to Firefox and you should seek support elsewhere{for win,mac}:{/for}{for linux}.{/for} {for win} * Follow this tutorial, [http://windows.microsoft.com/en-us/windows/network-connection-problem-help Wired and wireless network problems], at microsoft.com. {/for} {for mac} * [http://support.apple.com/kb/PH6731 Mac OS X 10.6: If you can’t connect to the Internet] at apple.com. * [http://support.apple.com/kb/PH3773 OS X Lion: If you can’t connect to the Internet] at apple.com. * [http://support.apple.com/kb/PH10668 OS X Mountain Lion: If you can’t connect to the Internet] at apple.com. {/for} {for win,mac}You can also check the following:{/for}{for linux}You should begin by checking the following:{/for} * Your modem and/or router are both on and are not indicating errors. If programs other than Firefox are also having problems connecting, the problem may be with your Internet Service Provider (ISP). Contact your ISP for more information. * If you are using a wireless connection, that you are using the correct access point. * Your [http://en.wikipedia.org/wiki/Domain_Name_System Domain Name System] (DNS) server translates web addresses (URLs) into IP addresses and is usually provided by your ISP. If the DNS server is overloaded, you may be unable to view some or all websites. For example, if http://74.125.53.99 or http://74.125.159.105 work but http://www.google.com doesn't, you may have a DNS problem. You can use an alternative service such as [http://www.opendns.com/ OpenDNS] or [http://code.google.com/speed/public-dns/ Google Public DNS]. * Whether your Internet security software (including firewalls, antivirus programs, anti-spyware programs, and more) is blocking connections to the Internet. For instructions on how to configure some programs, see the [[Configure firewalls so that Firefox can access the Internet]] article. [[Template:ShareArticle|link=http://mzl.la/KNOCgx]]