Ethernet network not working

hello there. I have installed arch linux 64 bit on my computer. during the setup i had the internet working, but now it won't connect.
I have checked the wiki, but I am still confused. What should I do?

Thanks for replying. I am using a wired network. I haven't really netctl/whatever yet, if you could give me a intro, that would be great. Here's the output of ip link:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2. enp1s0 <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode default qlen 1000
link/ether 40:61:86:07:e8:c8 brd ff:ff:ff:ff:ff:ff
Last edited by env_explosion (2013-12-16 05:52:14)

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Ethernet network not working properly

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>>>
From: Andy_DeWees<[email protected] du>
To:novell.support.zenworks.endpoint-security-management
Date: 2/5/2009 12:52 PM
Subject: I have installed the agent 10 or 15 times and one installation hasfailed, no error appeared during the installation but I am havinginconsistent issues with my ethernet card not working here and there. Werebooted and can log into Novell client but the login prompt did not appearfor ESM client or the icon was not in the systray. Everything seems towork, besides at times (a couple times today) it terminates his ethernetcard/connection. I would re-image his computer but he has severalapplications and
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MacBook Air wifi internet shared network not working on tethered android phone GT B5122

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Spanners91 wrote:
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Ethernet will not work

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Repairing the Hard Drive and Permissions
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The WRTP54G has firmware version 1.00.62 loaded on it, although I am not certain how to upgrade the firmware to at least 1.00.9 (seems that any later firmware causes problems with Macs)
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I have attempted to use three different CAT5 cables between the Mac/Win and the router, so I believe bad cabling is ruled out. My Win machine's ethernet works perfect at work, so I believe ethernet hardware on both can be ruled out.
I have tried to reset the router to factory default -- no dice. Any thoughts, anybody?

As a follow-up to provide additional symptoms:
I also have an XBox 360 and a Mac Book connected wireless. I have not attempted to connect those devices via ethernet.
I also have Vonage; there is no disruption in service there -- that wired connection seems to be working fine.
I am also experiencing that each device connected via wireless, except the Win XP machine, will randomly lose wireless connectivity. The SSID broadcast is disabled and I have not enabled WEP. Not sure if that matters. Client lease time is set to 9999, not the default 0 for one day.
When I plug the Mac or the Win machine to the router's ethernet ports (any one of the four), the router's ethernet lights do not light up. Is it possible the ethernet components are fried?
I purchased the router two years ago when I enabled the Vonage service.
Thanks to anyone who can help.

T500 Ethernet Connection Not working, but wireless is working

Hi
In my laptop, when I try to connect to internet using the Ethernet card, it is not working.
My laptop has the following configuration.
T500; Windows Vista 64
Ethernet card: Intel(R) 82567LM Gigabit Network Connection
Following are what I observed.
1. From command prompt, when I executed the command ipconfig, it is not listing the ethernet adapter connection.
C:\Windows\system32>ipconfig /all
Windows IP Configuration
   Host Name . . . . . . . . . . . . : Palasseri-Mana
   Primary Dns Suffix . . . . . . . :
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
Wireless LAN adapter Wireless Network Connection 3:
   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix . :
   Description . . . . . . . . . . . : My WiFi PAN
   Physical Address. . . . . . . . . : 00-21-6A-1A-24-B3
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
Wireless LAN adapter Wireless Network Connection 2:
   Connection-specific DNS Suffix . :
   Description . . . . . . . . . . . : WiFi STA
   Physical Address. . . . . . . . . : 00-21-6A-1A-24-B2
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::42a:c2e2:cf9f:7b87%13(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.0.12(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Lease Obtained. . . . . . . . . . : Sunday, February 21, 2010 6:12:15 PM
   Lease Expires . . . . . . . . . . : Sunday, February 28, 2010 6:12:14 PM
   Default Gateway . . . . . . . . . : 192.168.0.1
   DHCP Server . . . . . . . . . . . : 192.168.0.1
   DHCPv6 IAID . . . . . . . . . . . : 234889578
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-11-88-93-46-00-24-7E-13-AE-17
   DNS Servers . . . . . . . . . . . : 192.168.0.1
   NetBIOS over Tcpip. . . . . . . . : Enabled
Tunnel adapter Local Area Connection* 6:
   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix . :
   Description . . . . . . . . . . . : isatap.{7DB78E75-7547-408D-97D2-C347AF27F
5F9}
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
Tunnel adapter Local Area Connection* 11:
   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix . :
   Description . . . . . . . . . . . : isatap.{5D3FE014-FD4D-40E1-AB3A-94B48F4A9
392}
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
Tunnel adapter Local Area Connection* 14:
   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
2. Control Panel\Network and Internet\Network Connections : Under this, when I list all the connection, the Ethernet connection is showing it as Enable.
3. When I unplug the network cable, at Control Panel\Network and Internet\Network Connections, I see the status as Cable Unplugged..
4. I downloaded the latest driver and installed, but didnt change this behavior.
How can I fix this ethernet issue. Any help is deeply appreciated.
Thanks,
NP

palasseri wrote:
Thank you for your reply.
Yeah, it is listed under the Device Manager.
I see one potential error under the event viewer. Thank you for that pointer.
The IP address lease 192.168.0.11 for the Network Card with network address 00216A1A24B2 has been denied by the DHCP server 192.168.0.1 (The DHCP Server sent a DHCPNACK message).
Any idea why this is coming???
I get that exact same error when I change my MAC address and my computer is trying to connect to my router.
This message is probably just the result of your computer not recognizing your Ethernet Adapter.
I have never had this problem and am just shooting in the dark, but I would say you either have a bad Ethernet card, or your Adapter is not configured correctly.
I keep wanting to go back to your adapter in the Device Manager.
Is the Device Status "This Device is working Properly"?
Under Power Management, is the "Allow the computer to turn off this device to save power" unchecked?
Are you downloading the drivers from Lenovo's website?
http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-70199
Have your tried Uninstalling the adapter, and reboot.
Your system may automatically reinstall the adapter. If not, you can manually reinstall it.
T500 ~ T9400 2.53GHz 1066MHz 6MBL2 ~ Vista 32bit Home ~ WXGA 15.4 LED ~ ATI Mobility Radeon 3650 ~ 4GB ram ~ Camera ~ 160GB 7200rpm HD ~ Intel Turbo Memory 2GB ~ CD-RW/DVD ~ Intel WiFi 5300

Apple tv ethernet connection not working

Connected my new Apple TV to the ethernet cable and it doesn´t show the network available to connect to internet.
Am I missing some step ?
Thanks

ISSUE
After the latest software update, my Apple TV2 has stopped recognizing any form of network connectivity and appears to believe that it's connected to the network via an ethernet connection, whether or not there is one actually plugged into the back of the device.
BACKGROUND
I echo many of the previous posts... I've had Apple TV2 for over a year with no difficulties. Ethernet and wireless connections have always worked. For the last 6 months the Apple TV2 has been hardwired via my ethernet connection with stellar results. However, after the recent software upgrade, I've lost all network connectivity. Apple TV2 will no longer recognize the same ethernet connection it's always been attached to. This is the same connection that has always allowed me to watch iTune movies, Netflix and download/install all previous software updates. Worse yet, when the ethernet connection is unplugged from the back of the device, Apple TV2 believes it is still connected to the ethernet cord, as if it's stuck, and WiFi functionality does not kick in.
TROUBLESHOOTING
This specific issue has nothing to do with the actual "network" so I am kindly asking people to stop recommending that we check our network/router settings and ethernet cords. Apple TV2 is designed to automatically activate its wireless function when an ethernet connection is not recognized. It's should be pretty obvious to anyone who is tech savvy that there is something wrong with the device and not the network, with respect to the specific aforementioned symptoms.
STEPS
Nothing has changed on the network and I've tested the ethernet connection with both MacBook Pros... with success.
Restarted device multiple times
Attempted to restore device but no network connectivity makes this impossible
Connected device to iMac via micro USB cord and restored from scratch
Made the assumption the wireless antenna could not recognize network due to location, surroundings (i.e. tv stand, Directv receiver, SP3), etc. Moved Apple TV2 to another location and connected to different TV. Wireless functionality still does not activate when ethernet cable not plugged in.
All other common sense troubleshooting steps have been taken per Apple's troubleshooting recommendations and other blog site recommendations
I'm sure the latest software update worked for the majority of all Apple TV2 owners. Anything could have gone arwy during the update that could have caused this specific issue to present itself. Either way, there are enough folks with the same complaint to warrant a deeper dive of the issue. My next step will be to jailbreak the device since I have nothing to lose at this stage... it's a simple paperweight until I find a solution.

Ethernet Port not working

I had bought a new HP ENVY 15-AE009TX just a week back and now suddenly my ethernet connection is not working. It seems the problem is with the port because the 2 lights keep disappearing and start after a few seconds i thought they were supposed to be on constantly one white light and another blinking. I dunnow what else could be the problem the drivers seem to be fine. The troubleshooter in windows says to attach the ethernet cable when i already have it inserted. Any help is appreciated.

Which port are you using?
The second (upper) NIC is only activated once the first (lower) NIC is.
If you're trying to use the upper NIC without first using the lower NIC, that could be your problem.
Once you've verified that, check the switch settings and make sure the port is configured for auto-negotiation. By default the Mac will use auto-negotiation and it's possible that you won't get a link if the switch on the other end is not set the same (e.g. it's set for 100-full).
Of course, if you've changed the Mac's settings (in Network preferences -> Ethernet) to something other than 'Auto', then you should make sure the switch is set the same.

Home Hub 3 Gigabit Port/Ethernet 4 Not Working

Just before christmas time the gigabit ethernet port on my home hub 3 stopped working.
I tried other cables and there is no connection whatsoever between the gigabit port and other devices, but the other three ethernet ports work fine?
I had it so a cable went from the gigabit port to a gigabit switch which then distributes around the house.
Obviously i'm now using the standard 10/100 ports on the home hub 3 which is fine as the only wireless devices (which would go through the gigabit to the home server) is a laptop.
I was just wondering what would cause this single port to stop working, and if there is a possible fix or if i need to get a replacement hub?
Cheers.
Solved!
Go to Solution.

Try a factory reset of the home hub 3, and if it still does not work, all you can do is ring the helpdesk, and ask for a replacement.
There are some useful help pages here, for BT Broadband customers only, on my personal website.
BT Broadband customers - help with broadband, WiFi, networking, e-mail and phones.

USB ethernet does not work in left USB port

My USB ethernet adapter does not work in the left USB port on my MacBook Air, but it works in the right side. Other devices, like my mouse, work fine in both ports.
Could I have a faulty left-side port with too little power for the ethernet adapter, or is this normal for MacBook Air?

I have the same problem.
USB Ethernet doesn't work with the left USB port. It does work with the right USB port, and any other USB device works with the left USB port on my macbook air
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Ethernet network not working

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