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Wireless works fine, Ethernet doesn't

Discussion in 'Networking' started by ljb9652, Apr 10, 2015.

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  1. ljb9652

    ljb9652 Thread Starter

    Joined:
    Apr 10, 2015
    Messages:
    1
    Hi all.
    First of all, I want to thank you guys in advance for putting your time and effort to solve my issue. any answer would be grateful to me.

    My internet provider is At&t and as I mentioned in the title, wireless internet works perfectly fine, but Ethernet connection doesn't work on my desktop. Currently I am using wireless adapter on my PC, and it works just fine. I tried disabling the wireless connection, resetting the modem, re installing the Ethernet driver and anything I can think of.

    The odd thing is that my brother used Ethernet connection just fine with his desktop about three weeks ago, with same router and same cable. So I am assuming that my computer is the one with the problem but I can't figure it out why.

    I'm going to try out the different cable tomorrow, but I highly doubt it will fix my problem.

    Help me guys. If you need any other information, ask away. I will give it to you as much as I can

    Attachment file is my network and sharing center status unidentified network is my ethernet connection

    Here is my ipconfig /all result

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : Junbum-PC
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : attlocal.net

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
    Physical Address. . . . . . . . . : BC-5F-F4-37-3E-F1
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::a8ef:ea22:6465:812%20(Preferred)
    Autoconfiguration IPv4 Address. . : 169.254.8.18(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.0.0
    Default Gateway . . . . . . . . . :
    DHCPv6 IAID . . . . . . . . . . . : 498884596
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1C-B9-3D-E6-F8-1A-67-0D-96-0D

    DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
    fec0:0:0:ffff::2%1
    fec0:0:0:ffff::3%1
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Ethernet adapter VPN - VPN Client:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : VPN Client Adapter - VPN
    Physical Address. . . . . . . . . : 00-AC-87-E1-D2-E3
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Wireless LAN adapter Wireless Network Connection:

    Connection-specific DNS Suffix . : attlocal.net
    Description . . . . . . . . . . . : TP-LINK 450Mbps Wireless N Adapter
    Physical Address. . . . . . . . . : F8-1A-67-0D-96-0D
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IPv6 Address. . . . . . . . . . . : 2602:306:3641:a3f0:e9c3:1be4:138:81cb(Preferred)
    Temporary IPv6 Address. . . . . . : 2602:306:3641:a3f0:a46a:a654:84fc:264b(Preferred)
    Link-local IPv6 Address . . . . . : fe80::e9c3:1be4:138:81cb%13(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.66(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Friday, April 10, 2015 1:18:47 AM
    Lease Expires . . . . . . . . . . : Saturday, April 11, 2015 1:20:18 AM
    Default Gateway . . . . . . . . . : fe80::226:50ff:fe46:7511%13
    192.168.1.254
    DHCP Server . . . . . . . . . . . : 192.168.1.254
    DNS Servers . . . . . . . . . . . : 8.8.8.8
    NetBIOS over Tcpip. . . . . . . . : Enabled
     

    Attached Files:

  2. TerryNet

    TerryNet Moderator

    Joined:
    Mar 23, 2005
    Messages:
    76,636
    First Name:
    Terry
    Odds are that the NIC has failed.

    Another low possibility (in addition to cable and router LAN port) are the PC's firewall or security suite misconfigured or corrupted.

    Another thing to try: in Device Manager right click on the ethernet - Properties - Advanced tab - for the 'Speed & Duplex' property try different values beginning with '100 Mbps full duplex' and '10 Mbps full duplex.'
     
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