Internet problems

• Three rules-of-thumb for dealing with Internet problems
• A table showing the most common codes and messages you're likely to see on your Web browser (HTTP), when accessing Usenet, using e-mail, or using the FTP protocol to upload or download files

Three Rules-of-Thumb for Dealing with Internet Problems

1. If you get a message saying the domain name server (DNS) can't find your page and you're sure you've typed it in correctly or clicked on a valid link, try it again - TWO more times! (Sometimes packets don't get there!)
2. If you get a "Not found" message, the page may be temporarily missing because of miscoding at the target site. Try it again tomorrow...or try the home page for the site and send e-mail asking them to restore the page.
3. Be aware that sometimes a page you've visited recently may be coming from your cache (or the cache on a proxy server within your company). To get the "fresh" version of the page, click on "Reload" in your tool bar.

4. Related Terms

   Definitions

5. VAR (value-added reseller)

   - A VAR (value-added reseller) is a company that resells software, hardware and/or networking products and provides value beyond order fulfillment. VARs may offer a range of professional services as ... (SearchITChannel.com)

6. OEM (original equipment manufacturer)

   - OEM is a term that refers to a web of relationships that typically involve a channel partner purchasing hardware or software from a vendor for inclusion in its own products. (SearchITChannel.com)

7. vendor

   - A vendor is an individual or company that sells goods or services to somone else in the economic production chain. Learn about different types of vendors. (WhatIs.com)

Glossaries

• Computing fundamentals

  - Terms related to computer fundamentals, including computer hardware definitions and words and phrases about software, operating systems, peripherals and troubleshooting.

• Internet applications

  - This WhatIs.com glossary contains terms related to Internet applications, including definitions about Software as a Service (SaaS) delivery models and words and phrases about web sites, e-commerce.
  
  Info- whatis.techtarget.com

Why does the internet stop working when recieveing/send a text?

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Image Gallery: Get Connected to the Internet

There are many older and newer technologies that allow you to get connected to the Internet, including this wireless Internet card. Click through the next few pages to see the different types of connections and find the one best for you.(AFP/Getty Images)

internet connection Pictures & Images

Finding and fixing Internet connection problems

1.  Are You Overlooking the Obvious?

Unplugged or loose network cables are easy to miss yet one of the most common reasons you might suddenly find yourself unable to connect to the Internet. That's not a problem on wireless networks, but on most laptops the Wi-Fi radio can be inadvertently shut off instead. On home networks, it's also possible someone unplugged the router.

2.  Rule Out False Alarms

What may seem to be a network problem connecting to the Internet is sometimes simply a Web site (or whatever server is on the other end of the connection) being temporarily offline.
Action - Before assuming your Internet connection is faulty, try visiting several popular Web sites rather than just one.

3.  Avoid IP Address Conflicts

If your computer and another on the network both have the same IP address, the conflict between them will prevent either from working properly online.
Action - To resolve an IP conflict, follow these instructions to release and renew your IP address. If your network uses static IP addresses, manually change your IP to a different number. More »

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4.  Check for Computer Firewall Malfunctions

Firewall software running on most computers is intended to prevent unwanted network traffic from disrupting its operation. Unfortunately, these software firewalls can malfunction and start blocking valid Internet traffic. When two software firewalls, such as Windows Firewall plus a third-party product, are installed on the same computer, contention between the two can also incorrectly block traffic.
Action - If you've recently installed or upgraded software firewalls on your computer, temporarily disable them to determine whether it may be the cause of Internet connection problems.

5.  Are You Outside of Wireless Signal Range?

The performance of Wi-Fi network connections depends on distance between the device and the wireless access point. The further away a Wi-Fi device, the slower the local connection generally runs, until it breaks altogether. Wireless signal interference in the area can also limit the effective range of a Wi-Fi connection. Whenever you're unable to reach the access point, you also can't connect to the Internet, obviously.
Action - Use one of these options to measure the strength of your wireless signal and try these ideas to expand the range of your Wi-Fi. More »

Info- compnetworking.about.com › 

Can't Connect to the Internet?

When you suddenly can't connect to the Internet, any of several things could be wrong. Use this checklist to find and solve common Internet connection problems.

James Braund/Digital Vision/Getty Images

1.  Are You Overlooking the Obvious?

Unplugged or loose network cables are easy to miss yet one of the most common reasons you might suddenly find yourself unable to connect to the Internet. That's not a problem on wireless networks, but on most laptops the Wi-Fi radio can be inadvertently shut off instead. On home networks, it's also possible someone unplugged the router.
Action - Ensure your wired or wireless network hardware is switched on and plugged in.

Info- compnetworking.about.com ›

DNS Server Problems

When you try to access Google.com, your computer contacts its DNS server and asks for Google.com’s IP address. The default DNS servers your network uses are provided by your Internet service provider, and they may sometimes experience problems.
You can try accessing a website at its IP address directly, which bypasses the DNS server. For example, plug this address into your web browser’s address bar to visit Google directly:

Info- www.howtogeek.com/.../how-to-troubleshoot