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Ethernet cable not connecting

1229 Views 5 Replies 2 Participants Last post by TerryNet, Oct 10, 2014

BenC5202

Discussion Starter · Oct 8, 2014

I have been using this desktop for the past 2 year with no issues. Recently I have moved house and want to connect via an Ethernet cable to the internet rather than WiFi in the hopes of higher speeds. My problem is that the computer says that there is not cable connected (although a connection does flash up briefly every so often).

I have already: tested that the cable and port work using my laptop (no problem there)
uninstalled my network card and allowed windows to re-install it
checked for loose connections

I have also noted that the light in the Ethernet port on the computer is lit solid yellow when the cable is connected and the computer in not turned on but as soon as i boot it up and the OS starts running the light turns off.

Any help would be appreciated

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TerryNet

· #2 · Oct 8, 2014

For the desktop (and for the laptop if it is running Windows) ...

Open a (black) Command Prompt window:
Hold the Windows logo key and press r; in the Run box type cmd and click on OK.

Type the following command:

IPCONFIG /ALL

[Note that there is no space between the slash and ALL.]

[Press ENTER after each command.]

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

If necessary use a text file and removable media to copy the results to a computer with internet access.

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BenC5202

Discussion Starter · #3 · Oct 9, 2014

Microsoft Windows [Version 6.3.9600]
(c) 2013 Microsoft Corporation. All rights reserved.

C:\Users\Benjamin>IPCONFIG/ALL

Windows IP Configuration

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

Wireless LAN adapter Local Area Connection* 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Wi-Fi Direct Virtual Adapter
Physical Address. . . . . . . . . : 12-F6-52-31-E2-C7
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter WiFi:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Qualcomm Atheros AR9287 Wireless Network
Adapter
Physical Address. . . . . . . . . : 90-F6-52-31-E2-C7
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::418d:1ad3:7bf2:1be5%8(Preferred)
IPv4 Address. . . . . . . . . . . : 10.1.1.14(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : 08 October 2014 20:27:13
Lease Expires . . . . . . . . . . : 10 October 2014 16:27:26
Default Gateway . . . . . . . . . : 10.1.1.1
DHCP Server . . . . . . . . . . . : 10.1.1.1
DHCPv6 IAID . . . . . . . . . . . : 143717970
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-18-3D-90-29-90-2B-34-55-C6-73

DNS Servers . . . . . . . . . . . : 10.1.1.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Ethernet:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) 82579V Gigabit Network Connectio
n
Physical Address. . . . . . . . . : 90-2B-34-55-C6-73
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

C:\Users\Benjamin>

Here you go

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TerryNet

· #4 · Oct 9, 2014

I assume that is for the desktop. Does the laptop have gigabit ethernet? If you don't know, what OS is on it?

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BenC5202

Discussion Starter · #5 · Oct 10, 2014

Sorry, I missed the part where you wanted me to do the same on my laptop. Here it is for the laptop:

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Users\Benjamin Coop>IPCONFIG/ALL

Windows IP Configuration

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

Wireless LAN adapter Wireless Network Connection 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter
Physical Address. . . . . . . . . : 08-ED-B9-F9-8B-7D
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Local Area Connection 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom Virtual Wireless Adapter
Physical Address. . . . . . . . . : 0A-ED-B9-F9-0B-7D
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom 802.11n Network Adapter
Physical Address. . . . . . . . . : 08-ED-B9-F9-8B-7D
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::5c8f:8a91:c322:1d3e%15(Preferred)
IPv4 Address. . . . . . . . . . . : 10.1.1.13(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Friday, 10 October 2014 3:20:30 PM
Lease Expires . . . . . . . . . . : Saturday, 11 October 2014 3:20:30 PM
Default Gateway . . . . . . . . . : 10.1.1.1
DHCP Server . . . . . . . . . . . : 10.1.1.1
DHCPv6 IAID . . . . . . . . . . . : 487124409
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-A3-FC-AE-B8-88-E3-0D-1B-13

DNS Servers . . . . . . . . . . . : 10.1.1.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom NetLink (TM) Gigabit Ethernet
Physical Address. . . . . . . . . : B8-88-E3-0D-1B-13
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Hamachi:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Hamachi Network Interface
Physical Address. . . . . . . . . : 7A-79-19-7A-27-45
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2620:9b::197a:2745(Preferred)
Link-local IPv6 Address . . . . . : fe80::8cbf:79f2:c37b:4d3d%18(Preferred)
IPv4 Address. . . . . . . . . . . : 25.122.39.69(Preferred)
Subnet Mask . . . . . . . . . . . : 255.0.0.0
Lease Obtained. . . . . . . . . . : Friday, 10 October 2014 3:20:13 PM
Lease Expires . . . . . . . . . . : Saturday, 10 October 2015 3:22:19 PM
Default Gateway . . . . . . . . . : 2620:9b::1900:1
25.0.0.1
DHCP Server . . . . . . . . . . . : 25.0.0.1
DHCPv6 IAID . . . . . . . . . . . : 544897423
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-A3-FC-AE-B8-88-E3-0D-1B-13

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

Tunnel adapter Reusable ISATAP Interface {70D70479-94A5-444A-92A9-4CF3311A7792}:

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 isatap.{374B8D5F-DAFC-405A-80B1-CBAF39964679}:

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

Tunnel adapter isatap.{04655B77-E3A4-4849-B411-1531C7AF9F09}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Reusable ISATAP Interface {CCEB02EF-A37E-4129-866C-BC6B3276E203}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #5
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{12D78C6B-C2FF-4F26-A2A6-51363658E867}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #7
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. . . . . . . . . . . : 2001:0:9d38:6ab8:cb8:1a45:f5fe:fef2(Prefe
rred)
Link-local IPv6 Address . . . . . : fe80::cb8:1a45:f5fe:fef2%17(Preferred)
Default Gateway . . . . . . . . . :
NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter isatap.{7A1091B3-66EE-4C5A-A0B2-0D44C9C58259}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #8
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{73446AFA-F36F-4BF8-A6FC-4D6AEFE2287C}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #9
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

C:\Users\Benjamin Coop>

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TerryNet

· #6 · Oct 10, 2014

That ipconfig /all for the laptop also shows "Media disconnected" for the ethernet. If the cable really was unplugged at that time, and it does actually get a good connection when the cable is plugged in, then my conclusion is that there is a problem with the desktop's ethernet (including a small chance that the port is just dirty).

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