Multiple problems with Ethernet connection

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  1. Posts : 10,796
    Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
       #11

    Download and burn ubuntu live cd. Boot from it. Can you run firefox there and browse internet?
    How to Set up a Network in Ubuntu: 6 Steps (with Pictures) do you see eth0 and has it been set to DHCP?

    If you can browse internet... NIC is fine. Otherwise it can still be a driver problem
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  2. Posts : 10,796
    Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
       #12

    un2978 said:
    I made sure to disable the wireless adapter on the laptop before I connected. The taskbar icon indicated that connection was made through ethernet.

    As for the device manager screenshot - is that what you want? (attachment)
    Screenshot looks fine. Ubuntu has drivers for most realtek NIC's out-of-the-box
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  3. Posts : 11
    Windows 7 Home Premium 64-bit
    Thread Starter
       #13

    I'm on Ubuntu Live right now. Is there a way to configure NIC settings? It was trying to connect, but fails and says that network cable is unplugged, then tries again in a few seconds. I turned off auto-connect and used the wireless instead. It's similar to what I have when I try anything above 10Mbps Full Duplex in Windows.

    On a side note, trying to get onto Seven Forums with Firefox on Ubuntu is at least 3 times slower. Youtube and reddit are fine though.
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  4. Posts : 10,796
    Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
       #14

    How to Set up a Network in Ubuntu: 6 Steps (with Pictures)
    In ubuntu keep eth0 setting to DHCP and reboot.
    I want output of step 6 (only eth0)
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  5. Posts : 11
    Windows 7 Home Premium 64-bit
    Thread Starter
       #15

    The problem is that I can't connect through Ethernet on Ubuntu. It keeps on telling me that it's disconnected, but it continues to attempt connecting. The only way I bypassed this problem in Windows was to set Speed & Duplex to 10Mbps Full Duplex, which apparently I can't do in Ubuntu Live.
    Either way, I had the eth0's IPv4 settings screenshotted, and did the ifconfig anyway without a successful connection. I did both of these before I activated Wi-fi in Ubuntu.
    Attached Thumbnails Attached Thumbnails Multiple problems with Ethernet connection-screenshot-2013-10-16-15-41-53.png   Multiple problems with Ethernet connection-screenshot-2013-10-16-15-43-46.png  
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  6. Posts : 10,796
    Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
       #16

    What you proved so far:
    • win7 and ubuntu (on same machine) see ethernet NIC. Both fail to connect properly. So NOT a win7 driver problem.
    • Same network cable attached (still attached to same router port) to other computer works perfectly. Pleas confirm please.
    Conclusion not a router problem, not a software problem. Problem is most likely the NIC. Replace NIC. Or if it's a laptop and difficult to replace..... disable it and buy an USB NIC and plug it in. Costs about $10
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  7. Posts : 11
    Windows 7 Home Premium 64-bit
    Thread Starter
       #17

    I previously connected to another computer (a laptop) to test the Ethernet cable as you told me (I disabled the wireless beforehand). It worked fine, and I could browse websites with little trouble. If needed, I'll do it again and post screenshots, along with a ping test from command prompt.

    Looking for an NIC in my local computer store now...
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  8. Posts : 10,796
    Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
       #18

    un2978 said:
    I previously connected to another computer (a laptop) to test the Ethernet cable as you told me (I disabled the wireless beforehand). It worked fine, and I could browse websites with little trouble. If needed, I'll do it again and post screenshots, along with a ping test from command prompt.

    Looking for an NIC in my local computer store now...
    I can't help you with that... post results after replacing NIC.

    Best thing to do is uninstall NIC driver just before replacing NIC
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  9. Posts : 11
    Windows 7 Home Premium 64-bit
    Thread Starter
       #19

    Hi, I'm back!

    Bought a NIC for $15 CAD, works like a charm. Here's ipconfig from Window Command Prompt:
    Code:
    Windows IP Configuration
    
       Host Name . . . . . . . . . . . . : Nanson-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 . . . . . . . . . . . : Realtek PCIe GBE Family Controller #2
       Physical Address. . . . . . . . . : A0-F3-C1-10-81-BF
       DHCP Enabled. . . . . . . . . . . : Yes
       Autoconfiguration Enabled . . . . : Yes
       Link-local IPv6 Address . . . . . : fe80::94:542f:e87c:5ee1%24(Preferred) 
       IPv4 Address. . . . . . . . . . . : 192.168.1.2(Preferred) 
       Subnet Mask . . . . . . . . . . . : 255.255.255.0
       Lease Obtained. . . . . . . . . . : October-18-13 6:35:25 PM
       Lease Expires . . . . . . . . . . : October-19-13 6:35:25 PM
       Default Gateway . . . . . . . . . : 192.168.1.1
       DHCP Server . . . . . . . . . . . : 192.168.1.1
       DHCPv6 IAID . . . . . . . . . . . : 413201345
       DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-18-1A-73-50-E5-49-53-49-F3
       DNS Servers . . . . . . . . . . . : 192.168.1.1
       NetBIOS over Tcpip. . . . . . . . : Enabled
    
    Tunnel adapter isatap.{C11B5C77-650A-46CE-8B60-67F54E9AA688}:
    
       Media State . . . . . . . . . . . : Media disconnected
       Connection-specific DNS Suffix  . : 
       Description . . . . . . . . . . . : Microsoft ISATAP Adapter
       Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
       DHCP Enabled. . . . . . . . . . . : No
       Autoconfiguration Enabled . . . . : Yes
    
    Tunnel adapter Teredo Tunneling Pseudo-Interface:
    
       Connection-specific DNS Suffix  . : 
       Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
       Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
       DHCP Enabled. . . . . . . . . . . : No
       Autoconfiguration Enabled . . . . : Yes
       IPv6 Address. . . . . . . . . . . : 2001:0:9d38:90d7:1404:2f51:3f57:fefd(Preferred) 
       Link-local IPv6 Address . . . . . : fe80::1404:2f51:3f57:fefd%13(Preferred) 
       Default Gateway . . . . . . . . . : ::
       NetBIOS over Tcpip. . . . . . . . : Disabled
    I'll do it again in Ubuntu if needed.
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  10. Posts : 10,796
    Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
       #20

    Just what I concluded.... faulty NIC. Replaced and all is working?

    Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller #2
    => did you install it twice? Or is other driver still installed?
    Check device manager and "network center" .... all is fine?
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