Having problems with your HP Pavilion dv9720us Notebook ?

Internet connection problems - HP Pavilion dv9720us Notebook


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Troubleshooting Internet Connection \012Problems\012\011\011\011\012 \012 \012\012 \012\012 \012The purpose of this section is to give \012general tips
on troubleshooting your Internet Connection
\012
\012While there are many possible configurations, I'll try and cover the \012most common \012ones.

\012 \012 \012\012 \012\012\011\012\011\011\012\011\011\011\012\011\011\011\011\012\011\011\011\011Making\012 Sure You Have \012\011\011\011Correct IP Information
\012\011\011\011\011Basic\012 PING Tests
\012\011\011\011\011Browser\012 Configuration

\012\011\011\011\012\011\011\012\011\012 \012 \012 \012\012 \012\012 \012Making Sure You Have \012\011\011\011Correct IP Information\012 \012 \012 \012\012 \0121.\012 \012Make sure you have the correct IP \012scheme for \012\011\011\011your network. This would include the:\012
    \012
  • IP Address
  • \012
  • Subnet Mask
  • \012
  • Default Gateway
  • \012
  • DNS Servers
\012\011\011\011\011\012 \012 \012\012 \0122.\012 \012There are a few ways you can see what \012IP \012\011\011\011addresses are being assigned.
\012\011\011\011But generally for:Win9x - Start / Run / command
\012\011\011\011Windows2000/XP/Vista - Start / Run / cmd
\012\011\011\011The run IPCONFIG /ALL. A sample where a router is used is in the \012\011\011\011following graphic.
\012 \012 \012\012 \012\012\011\011\011ipconfig.jpg\012 \012 \012\012 \0123.\012 \012IP Address:
\012\011\011\011If you have a router, common examples would be:
\012\011\011\011192.168.0.x, 192.168.1.x or 10.0.0.xIf you are directly \012\011\011\011connect to your DSL or Cable Modem, you should have an IP address \012\011\011\011that would correspond to something from your ISP.
\012\011\011\011What you don't want to have is something like \012\011\011\011169.254.x.x. This means you are not getting and IP address \012\011\011\011assigned and needs to be resolved first.
\012 \012 \012\012 \0124.\012 \012Subnet Mask:
\012\011\011\011
Also make sure you have the correct Subnet Mask. Most \012\011\011\011commonly this would be 255.255.255.0\012 \012 \012\012 \0125.\012 \012Default Gateway:
\012\011\011\011Make sure you have the correct Default Gateway IP address.\012\011\011\011
\012\011\011\011With a router, this is typically the IP address of your router.\012 \012 \012\012 \0126.\012 \012DNS Servers:
\012\011\011\011Make sure you have the correct DNS Servers. \012\011\011\011Sometimes this is the IP address of your router, so it would be \012\011\011\011the same as the Gateway IP.
\012\011\011\011Sometimes (as in this example), it is the actual DNS servers used \012\011\011\011by the ISP.
\012 \012 \012\012 \0127.\012 \012Possible causes for not getting an IP \012address \012\011\011\011assigned are:1. Defective cable, network card or port on the \012\011\011\011router. Make sure you are using all known working components.
\012\011\011\0112. Your router is not configured for DHCP (which would \012\011\011\011automatically be assigning IP addresses).
\012\011\011\011But you need to have this correct before proceeding.
\012 \012 \012 \012\012\012 \012\012 \012\012\012 \012\012 \012Basic\012 PING Tests\012 \012 \012 \012\012 \0121.\012 \012This and can be done from that same \012command \012\011\011\011prompt you used to run IPCONFIG\012 \012 \012\012 \0122.\012 \012Try pinging the router's \012IP \012\011\011\011addresse.g. ping 192.168.1.1
\012\011\011\011If you get a reply, then your connection to the router is \012\011\011\011working.
\012\011\011\011If you don't get a reply, then you need to double check your \012network \012\011\011\011card, cable, port on the router. You might also see if any other \012\011\011\011computers on the network can do the same.
\012 \012 \012\012 \0123.\012 \012Try pinging an external site by IP \012address\012\011\011\011e.g. ping 4.2.2.1
\012\011\011\011If you get a reply, then you have a connection to the Internet.
\012\011\011\011If you don't get a reply, there are several things you can try:
\012\011\011\0111. Double check that the router is connecting to the Internet. \012\011\011\011Typically you can access the router through your web browser and \012\011\011\011check it's status.
2. Take the power off your DSL/Cable modem \012and \012\011\011\011Router. Plug the modem back in a wait a minute or so. Plug the \012\011\011\011router back in and wait a minute or so. Then restart your computer.
\012\011\011\0113. Winsock Fix - It is possible that the Winsock Registry entries \012\011\011\011have gotten corrupted. This is getting to be a more common problem. \012\011\011\011See \012\011\011\011WINSOCK FIX for clean ones you can download
\012 \012 \012\012 \0124.\012 \012Try pinging an external site by Namee.g.\012 \012\011\011\011ping www.yahoo.com
If \012you \012\011\011\011get a reply, then you have a connection to the Internet and DNS is \012\011\011\011working
\012\011\011\011If you don't get a reply, there are several things you can try:
\012\011\011\0111. Double check your DNS entries
\012\011\011\0112. You many need to use the same DNS IP address that your ISP or \012\011\011\011Router is using.
\012\011\011\0113. On rare occasions your ISP has problems with their DNS servers. \012\011\011\011But that is rare in comparison to misconfigured computers.
\012 \012 \012 \012\012\011\011\011\012 \012 \012\012\012\012 \012\012 \012If\012 your PING tests work but you are having problems \012\011\011\011browsing sites on the Internet\012 \012 \012 \012\012 \0121.\012 \012If you could ping external sites by \012both IP \012\011\011\011address and Name, but cannot browse the web, likely your web browser \012is misconfigured.\012 \012 \012\012 \0122.\012 \012Double check that you \012don't have \012\011\011\011an incorrect or not needed Proxy server\012 assigned.For the Internet \012\011\011\011Explorer - Tools / Internet Options / Connections tab / LAN settings \012\011\011\011button. Uncheck both Automatically detect settings and Use \012\011\011\011a proxy server for your LAN.
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