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Laptop cant detect network

Discussion in 'Networking' started by warshock19, Jul 5, 2009.

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  1. warshock19

    warshock19 Thread Starter

    Joined:
    Jul 5, 2009
    Messages:
    1
    hello guys..
    I have a wired network, a broadband router and 2 desktop PCs working properly. I tried connecting a laptop to the network using a 5m cable and it work properly. Now i am trying to connect the laptop to the network using one of the cables of my existing connection but it doesn't work. If i try to connect the cable on my desktop PC it works but when i connect it to the laptop it cannot detect the network..

    Please help.. Thanks.. :)
     
  2. pedroguy

    pedroguy

    Joined:
    Jan 28, 2001
    Messages:
    6,523
    Welcome to TSG:
    Let's start with some basics.
    Make and model of modem and router.?
    operating system and level?

    Let's check the connection basics,like so:

    Basic network setup procedure

    From a Johnwill tech tip:

    The following procedure should get you a connection with any broadband modem that is configured to use DHCP for the router connection, such as cable modems, and many DSL modems. If you require PPPoE configuration for the DSL modem, that will have to be configured to match the ISP requirements.

    Note that the wireless encryption and channel selection will have to be done after the basic wired connection is established, the first step is to get wired connections working.
    • Reset the router to factory defaults by holding the reset button down for 15 seconds with power on.
    • Turn off everything, the modem, router, computer.
    • Connect the modem to the router's WAN/Internet port.
    • Connect the computer to one of the router's LAN/Network ports.
    • Turn on the modem, wait for a steady connect light.
    • Turn on the router, wait for two minutes.
    • Boot the computer.

    When the computer is completely booted, let's see this.

    Hold the Windows key and press R, then type CMD (COMMAND for W98/WME) to open a command prompt:

    NOTE: For the items below surrounded with < >, see comments below for the actual information content, they are value substitutions from the previous command output!

    In the command prompt window that opens, type type the following commands one at a time, followed by the Enter key:

    IPCONFIG /ALL

    PING <computer_IP_address>

    PING <default_gateway_address>

    PING <dns_servers>

    PING 206.190.60.37

    PING yahoo.com

    Right click in the command window and choose Select All, then hit Enter to copy the contents to the clipboard.
    Paste the results in a message here.

    <computer_IP_address> - The IP Address of your computer, obtained from the IPCONFIG command above.

    <default_gateway_address> - The IP address of the Default Gateway, obtained from the IPCONFIG command above.

    <dns_servers> - The IP address of the first (or only) address for DNS Servers, obtained from the IPCONFIG command above.

    If you are on a machine with no network connection, use a floppy, USB disk, or a CD-RW disk to transfer a text file with the information to allow pasting it here.
    __________________
     
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