TechSpot

Connects while using wireless but ethernet connection fails

By thesnowman123
Sep 5, 2009
  1. Hi guys, I am having trouble with my laptop which connects fine while it is using a wireless connection but when I use an Ethernet cable, it shows "limited connectivity". So I figured it might be a bad network adapter and purchased an USB Ethernet cable and the same problem occurs. The curious thing about this is my sister's laptop has the same predicament(She noted it started around the beginning of May09). I am thinking it might be some windows update or something else? I have tried resetting modem/router(these are both connected to a desktop which is functioning at norm), uninstalling drivers, trying new cables but all to no avail. Please help. =/

    We are both using Vista OS, with all the latest updates installed.

    -----------------------------------------------------------------------------------------------------------------

    Microsoft Windows [Version 6.0.6002]
    Copyright (c) 2006 Microsoft Corporation. All rights reserved.

    C:\Users\Sora>ipconfig /all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : Sora-PC
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Marvell Yukon 88E8038 PCI-E Fast Ethernet
    Controller
    Physical Address. . . . . . . . . : 00-E0-B8-C5-A1-FB
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::3450:b6e5:a5e7:654a%19(Preferred)
    Autoconfiguration IPv4 Address. . : 169.254.101.74(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.0.0
    Default Gateway . . . . . . . . . :
    DHCPv6 IAID . . . . . . . . . . . : 318824632
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-0D-D1-1C-B9-00-E0-B8-C5-A1-FB

    DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
    fec0:0:0:ffff::2%1
    fec0:0:0:ffff::3%1
    <<---Is this normal?
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Wireless LAN adapter Wireless Network Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Realtek RTL8187 Wireless 802.11b/g 54Mbps
    USB 2.0 Network Adapter
    Physical Address. . . . . . . . . : 00-C0-A8-DE-6B-17
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::3cc7:a32e:caa:2bc7%13(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.0.100(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Saturday, September 05, 2009 3:22:44 PM
    Lease Expires . . . . . . . . . . : Saturday, September 12, 2009 3:22:44 PM
    Default Gateway . . . . . . . . . : 192.168.0.1
    DHCP Server . . . . . . . . . . . : 192.168.0.1
    DHCPv6 IAID . . . . . . . . . . . : 302039208
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-0D-D1-1C-B9-00-E0-B8-C5-A1-FB

    DNS Servers . . . . . . . . . . . : 167.206.251.130
    167.206.251.129
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Tunnel adapter Local Area Connection* 6:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : isatap.{3B16CAF0-2399-4C47-8FB6-1D5D3B4BF
    7EA}
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 7:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : 02-00-54-55-4E-01
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 9:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    ----------------------------------------------------------------------------------------------------------------------------

    Please look at the attached images if they are of any help to the concerning problem. I tried manually updating the Local Area Connection's addresses but they were of no help.
     
  2. jobeard

    jobeard TS Ambassador Posts: 9,308   +617

    Your on Vista

    On Vista; disable IPv6; No one needs it!
    There are fine grained controls if you want, but to disable IPv6 without yanking out support overall, globally, you can set:

    Code:
    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters]
    "DisabledComponents"=dword:000000ff
    The Gateway is empty and the IPv6 Client is useless.
     
  3. thesnowman123

    thesnowman123 TS Rookie Topic Starter

    I tried disabling IPv6 but it did not help.

    I also attempted to manually enter all the addresses(from ipconfig /all) from my desktop connection into my IPv4. But again, no connection. =/
     
  4. jobeard

    jobeard TS Ambassador Posts: 9,308   +617

    1) use no manual settings

    2) be sure to reboot after disabling IPv6

    3) get a command prompt and enter
    Code:
    ipconfig /flushdns
    net stop "dns client"
    net start "dns client
    4) power off the WiFi adaptor on the PC and disconnect the RJ45 from the PC

    5) wait 30 secs

    6) recable the connection to the router

    7) wait 30 sec

    rerun ipconfig /all
     
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