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Network connection issues

Discussion in 'Networking' started by bdb25, Mar 13, 2010.

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  1. bdb25

    bdb25 Thread Starter

    Joined:
    Mar 5, 2010
    Messages:
    20
    This is an issue that comes and goes and unfortunately I have no known way to replicate it, sometimes when my computer boots it just won't connect to the network in any way.

    Once I've rebooted its fine again. The odd thing about it is that the network connection details window that you can bring up, appears completely blank. I'm running the latest drives from nVidia, so I'm inclined to put it down to windows 7.... but if anyone else has had this problem or a resolution for it I'd much appreciate the help.

    Thanks
     

    Attached Files:

  2. etaf

    etaf Moderator

    Joined:
    Oct 2, 2003
    Messages:
    64,964
    First Name:
    Wayne
    i will move to networking forum

    We need to have information please.

    - Make and Exact model of Router, Modem or router/modem combination
    - Make and Exact model of all PCs and Laptops
    - How are the PCs / Laptops connected - full details - cable, wireless
    - Are there any other machines working - if so please provide details

    Post details of whats in device manager - see below when its working and then when you boot and dont get a connection


    {Device Manager}
    Post back the results in device manager
    Start > control Panel {Vista set to classic view}> system > {Vista, device manager on left hand side} {XP hardware Tab, device manager button} >
    windows 7
    start > control panel> System and Security> Device Manager

    network adaptors, click on the + > post back the devices listed there
    are there any ! ? or X
    ------------------------------------------------------------------------

    Also do a ipconfig /all & PING test for both situations

    ------------------------------------------------------------------------
    {ipconfig /all}
    If you cannot access the internet with this PC, then you will need to paste the results into something like notepad and then copy onto a machine that can access the internet and post results here
    We would like to see the results from ipconfig /all post back the results here
    -> Start
    -> (XP - enter the following in the RUN box)
    cmd /k ipconfig /all
    -> (Vista or Windows 7 - enter the following in the Search box)
    cmd /k ipconfig /all

    A black box will appear on the screen -
    rightclick in the box
    select all
    enter
    control key + C key - to copy

    then reply here and
    control key + V to paste
    ------------------------------------------------------------------------
    If you cannot access the internet with this PC, then you will need to paste the results into something like notepad and then copy onto a machine that can access the internet and post results here
    {Ping Tests}

    Start> Run {search bar in Vista}> CMD to open a DOS window and type:

    Type the following command
    Ping google.com
    Post back the results
    rightclick in the box
    select all
    enter
    control key + C key - to copy
    then reply here and
    control key + V to paste

    Type the following command
    Ping {plus the number thats shown against the default gateway shown in above ipconfig /all}
    Post back the results
    rightclick in the box
    select all
    enter
    control key + C key - to copy
    then reply here and
    control key + V to paste

    Type the following command
    Ping 209.191.93.53
    post back results
    rightclick in the box
    select all
    enter
    control key + C key - to copy
    then reply here and
    control key + V to paste
    ------------------------------------------------------------------------
     
  3. bdb25

    bdb25 Thread Starter

    Joined:
    Mar 5, 2010
    Messages:
    20
    Thanks for moving it to the correct forum.

    Ok well the networks fairly big, I have a linksys WRV200 Router that does the wireless and DHCP etc, the modem is a standard one supplied by Virgin Media. The network also features a Linksys EG005W and a Linksys EG008W.

    I have the following computers:
    2 home built desktop PC's connected via ethernet
    3 laptops (Dell Vostro 1700, Dell Vostro 1500, Toshiba something..) connected wifi
    1 Media Server connected via ethernet
    1 Backup/Print Server connected via ethernet
    and a PS3 connected via ethernet
    and a couple of PDA's/smartphones obviously wifi

    The WRV200 is set to deliver specific IP's to each connected device.

    This error has occured both when other devices have been active, and when all other devices are switched off, I am doubting it as a network problem due to the following reasons:
    1. all other computers never have any network problems
    2. a reboot fixes said problem for a period of time
    3. said computer worked perfectly with network setup untill upgrading to Windows 7

    Network adapter reports that it is functioning perfectly when problem occurs, however disabling network adapter/re-enabling it causes Windows to freeze with SYSTEM in task manager running at 100% CPU.

    Ping tests work fine when the computer connects, however when said problem occurs there is NO internet connectivity of any type, all ping requests return as timed out, a reboot must be performed and everythings back to normal again. This problem only occurs on boot.

    I am inclined to believe its a driver failing to load on startup, however I've trawled through event logs to no avail, and why would this driver fail to load on random occurances? Why not always?
     
  4. TerryNet

    TerryNet Moderator

    Joined:
    Mar 23, 2005
    Messages:
    77,173
    First Name:
    Terry
    Have you installed the latest Windows 7 (or Vista if necessary) chipset and networking drivers from your PC (or motherboard) manufacturer's web site? If not, suggest you do so; install the chipset first.
     
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