Ethernet no work

My ethernet port it doesn't work, with my new brodband modem, but with Windows Laptop the modem and port work perfect, what I can do?

Hi there GasparfromMexico,
You may find the troubleshooting steps in the article below helpful.
Mac OS X: Troubleshooting a cable modem, DSL, or LAN Internet connection
http://support.apple.com/kb/ts1317
-Griff W.

Similar Messages

I am hooking up my new Time Capsule. Can't get Ethernet to work

I am trying to hook up the Time Capsule. I've given up on trying to have it in series with my existing router. I replaced the existing routher with the TC. The Wireless seems to work (but one of our phonse wont' hold the connection). BUT, none of the ethernet connections work at all. I have cycled everything through the whole power down/restart cycle and no devices (including my MAC (Mac OS X Lion 10.7.3 (11D50)) can connect. I checked the physical cable and it works (ie, I can connect a laptop to the existing router through the same cable).
I should mention that even with the "old" set up my MAC would not connect to the router via the ethernet cable. I know that MAC wants to run wirelessly but I have very easy access to an ethernet connection back to the router and I'd rather it run on this conneciton. I was particularly hopeful for this for the TC since the first wireless back-up is estimated to take about 18 hours.
Help?
AB

You asked the question at 4.01pm.
I answered your query at 4.46pm
... and you gave up by 4.58pm when you posted it is now boxed up and going back..(Local time in Australia).
57min from go to woe! Did you ring apple support??
Apple is user friendly.. networks are not.. and Apple didn't supply your network, or modem.. so somehow Apple have to insert themselves. and until we have iISP and iMODEM and I guess eventually iROUTER (instead of TC or AEBS) and iTV then you will always have to do something to get it working.
I am not trying to make light of your frustration as I am sure it is great.. but networks are unfortunately considered easy enough for home user to install without expertise. Whereas for instance a Technician has 2 years training to do it. Some things are too hard for average home user.. and it should be treated as when your washing machine goes bung.. you don't strip it down and replace parts yourself.. you get a washing machine repairer to fix it. Same with computer, no matter how much we are told this is all very simple.. it isn't.

Thunderbolt ethernet not working after upgrading to Yosemite

After a very long and frustrating 2 days I have managed to upgrade my MacBook Air (13 Inch, Early 2014) to Yosemite. I have the official Apple thunderbolt to ethernet adapter but System Preferences/Network reports that the cable has been disconnected. It has not and other devices connected to the ethernet cable work fine. Any suggestions to get it working? Anyone else having the same problem?

I have a similar problem. My Macbook Pro Retina 15" (1st generation) can no longer connect to my university network through a Thunderbolt-to-Ethernet adapter since upgrading to Yosemite. (Actually, OSX 10.9 on a different machine altogether also has the same problem -- tested and verified.) I tried multiple dongles and multiple Ethernet cables, and finally called our tech support. We found a workaround for the problem by purchasing a USB to Ethernet adapter, but this now means that instead of a single device chain leading into the laptop, I am now using multiple ports. I hope a patch for this is in the works.

Airport Network status says Internet failed and I can not connect wirelessly. Ethernet connection works fine. Why can't I connect?

A few days ago, my Airport Express wireless connection stopped working. The network status lights for Internet and Servers are RED and indicate failure. My Ethernet connection works fine. Any idea what my problem is?
Thanks,
LivingSuccess

You could try a Safe Boot - restart holding down the shift key until the grey progress bar appears. When it's booted restart as normal from the Apple menu.
If that doesn't help you could try an SMC reset:
SMC Reset
Shut down the computer.
Unplug the computer’s power cord and disconnect peripherals.
Press and hold the power button for 5 seconds.
Release the power button.
Attach the computers power cable.
Press the power button to turn on the computer.

Ethernet not working on brand new portable

Ethernet not working. This is a new portable.
Troubleshooting message: The realtek PCIe GBE family controller adapter is experiencing driver or hardware related problems.
Reinstalled the driver multiple times .
Reinstalled the portable to factory default.
Only one ethernet controller driver available for this portable on the HP site so i used that one.

Hi:
The only suggestion I can offer would be to try the driver directly from Realtek. Fourth file on the list.
http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PNid=13&PFid=5&Level=5&Conn=4&DownTy...
If that fails to do the job, I recommend you either return the PC if you can, or contact HP technical support and submit a support case under the warranty.

USB Ethernet stop working after 10.7.5 update

After updated to 10.7.5, my usb ethernet stop working, and always shows it doesn't connect.
Reinstall 10.7.5 make no difference.
How do I solve it?
Thanks!
Yu-Hsuan

Or download it directly from ASIX Electronics instead of driversworld.us.
Product family: USB 2.0 to fast Ethernet
Product name: AX88772
URL: http://www.asix.com.tw/download.php?sub=downloadsearch&PSNoID=101
I installed it and my AppleUSBEthernet started to work.
The error i had (sudo dmesg):
AppleUSBEthernet::monitorLinkStatus - Link down, Device b470200
0 0 AppleUSBEthernet: monitorLinkStatus - Link partner register is bad, re-trying...
0 0 AppleUSBEthernet: monitorLinkStatus - Link partner register is bad, trying to reset...

Does the ethernet port work when the using airport express in client mode?

I am considering using an airport express to extend my existing wireless network to a room where I can't get a cable to.
I will need to connect a at least 3 devices to the airport express.
The questions are:
- is an airport express the right answer to this problem?
- if so, does the ethernet port work (AE on client mode) as a passthru into the main network?
- can I plug a hub to it?
Thanks
RFSF

Hi Tesserax,
Really appreciate you taking time to respond.
I stopped by the Apple store this weekend and one of their sales people ( not one of their genius bar people) told me NO to all questions. I tend to believe more answers from people in this forum but just realize that I have not mentioned one possibly important point:
the main AP to which I will be connecting the airport express is not an Airport Extreme/Express AP.
Thanks,
Ricardo.

Thunderbolt Ethernet not working after Yosemite upgrade

Upgraded last night to 10.10, and now my Thunderbolt Ethernet adapter has no MAC address, and my MBP appears to think the cable is unplugged - it's not, and worked fine when the MBP was running 10.9 yesterday. Things which haven't worked:
Deleting and re-adding via Network Preferences
Changing default IPv6 to Link-local only
Rebooting with the thunderbolt adapter in
Rebooting with the thunderbolt adapter not in
Switching the thunderbolt adapter to the port further from the hinge and back again
Unplugging and replugging the ethernet cable
Plugging the ethernet cable directly into the wall jack instead of the hub it has always been plugged into
Unplugging and replugging the Thunderbolt
Changing Location to "Work" from "Automatic" and back again

the link provide above leads to http://plugable.com/2014/10/31/os-x-10-10-yosemite-ethernet-adapter-problems-we- can-help
...but these seem to be all 3rd party USB ethernet adapters and nothing to do with the Thunderbolt adapter of the thread - or am I missing something?
I have the same blooming problem, it seems to be totally hit and miss whether the adapter works or not.
I thought is was a faulty adapter, so even bought a second one for my MacBook Pro, so a bit more profit for the most profitable company in the world for a non working device. My ethernet cable works fine to an old apple USB adapter but is 90% useless with Thunderbolt.
Renewing the DHCP lease occasionally works, but totally unreliable, at the moment it fails.
Still looking for a reliable solution.
Come on Apple, please sort this out, you have a connector policy of turning everything you can into adapters and dongles rather than building them in, so you end up with a slim laptop and a bag of adapters to carry around, and then when they don't even work - doubly annoying.

Problem with ethernet jack, works fine wirelessley

I just moved into a new place that has ethernet jacks in each room. I happened to have one right behind the tv stand where the Apple TV is. If I plug the Apple TV into the ethernet jack it disappears out of iTunes.
If I unplug it and it uses the wireless AEBS Extreme network all works well as far as connecting, but since my place has metal studs the wireless connection has a little too much noise for the best connection, that's why I thought the ethernet jack would be better.
I know the ethernet jack works fine, I tested it with my MacBook Pro and it works perfectly fine with the ethernet jack.
Any suggestions on how to use the ethernet jack and keep Apple TV displayed as a device in iTunes?

Sounds like you have determined the ethernet jack is physically good.
Are you using fixed IP addresses or DHCP? If you don't use DHCP you may have to enter your IP address, subnet mask, router, and DNS addresses via the settings of AppleTV..
hth,
b.

Thunderbolt ethernet not working when computer wake up from sleep.

thunderbolt ethernet not working when computer wake up from sleep.
it will not happen in Mountain loin.

I had this problem on SL and on Lion as well, and it occures for WiFi and Ethernet connections.
In fact the internet connection was not broken as I could ping the destination usin the IP (not DNS name).
In this case the problem was related to mDNSResponder task which handles all dns queries.
It was the most frequent problem in my day to day work with SL and now Lion. It was never fixed by any patch from Apple. I tried almost all voodoo including fresh install, all possible config changes - no solution.
The only version with no problems related to network was 10.5.8. All the other versions had issues of different kind (WiFi instability (lost signal), DNS problems (for wireless and wired connection) sometimes associated with machine sleep and wake up and sometimes with no reason.
QUESTION: Is your problem independent of the access point / router you connect to.
I must say networking was (and still is) the weakest part, besides the other OS X weaknesses I experienced during 4 years of OS X usage.
No problems in the same network with Linux or Windows beeing ran natively on my iMac So hardware is OK.
Software is of poor quality. Not much more to say in this matter.
I found a very interesting article dated 1996 about programming which I think is still valid.
Link to the article: http://www.fastcompany.com/magazine/06/writestuff.html
Below the fragment (with some connection to Apple)
Software is everything. It also s***s.
"It's like pre-Sumerian civilization," says Brad Cox, who wrote the software for Steve Jobs NeXT computer and is a professor at George Mason University. "The way we build software is in the hunter-gatherer stage."

Will Apple's USB-Ethernet Adapter Work on iMac

One of the pins in the ethernet port of my iMac were bent. The second I attempted to bring the pin up, it broke. So I haven't been able to use ethernet for over a year.
Will the Apple USB Ethernet Adapter work on my Late 2006 2Ghz Intel Core 2 Duo iMac? It is loaded with Leopard 10.5.5. I've read these adapters would only work for MBAir but will it work on my iMac?
I'm not looking to get back Gigabyte Ethernet capability, I generally want to use ethernet again.

I do have a Base Station the current base station.
All my stuff except my iMac & iBook is packed deep in a storage facility since I'm on a move to someplace else. Meanwhile I'm staying in a place that doesn't have Wi-FI but offers wired ethernet connection.
I have my iBook but I want to use my iMac again & that adapter is all I need to get it connected. I just want to know if it would work since it's intent is for the MacBook Air.

New Problem, Old Issue. Ethernet not Working

You may recall this thread: http://forums.verizon.com/t5/FiOS-Internet/FIOS-Ethernet-not-working-Wireless-works-fine/td-p/203838
If you do, well, I have the same issue once more. It's driving me a bit nuts, to be perfectly honest.
About 10 days ago I finally had a stable ethernet connection on my Desktop machine to the internet. 8 days ago I marked the other thread as solved as it was still working and thought that my problems had been solved. Unfortunately, here I am 10 days later and suddenly, without warning, the ethernet connection on my Desktop loses internet connectivity.
I tried turning the router off and then turning it back on, but none of that worked.
Right now it switches between two different states without little indication as to why it switches between them except that it tends to only do it as a I unplug the cable and then plug it back in. The two states are simply connecting to an "Unidentified Network" which is much the same as the problem I had before, and connecting to an "Unidentified Network" with "Internet Access", except, none of the applications that use internet on the computer actually have Internet access even in this state. The Unidentified Network is the key to knowing I still don't truly have internet access.
Windows Firewall is off. It's actually been off for awhile now because I forgot to turn it back on after I initially shut it off trying to get it to connect before. Windows 7 (64-bit) is up-to-date, so that's not the issue either. But something is at issue here and I'm not sure what it is. Since the Wireless works, and the Desktop downstairs works on the ethernet, I can only assume it's something with this Desktop. But I'm not sure what it is or why it's doing this.
Any help with isolating the problem so I can actually fix it and not wait almost two weeks for it to magically work again would be immensely appreciated. Thank you.

Hello there Viafax and Spacedebris!
Apologies for not responding sooner. I decided to take a look at a Windows 7 support forum to see if the issue was something specific to that. After explaining in detail, I got this post and I followed the steps. I posted the information I got and then tried the duplex thing.
The default setting it seems is "Auto Negotiation" which obviously wasnt working.
I tried 100 Mbps Half Duplex and suddenly I had a connection. I can connect to the internet on my Desktop! So I tried 100 Mbps Full Duplex and.... no connection.
So, right now it's set to Half Duplex. But I don't even understand why it would need to be Half instead of Full, or the benefits or disadvantages to either. Right now it's working, but I wish I understood more.
The 192.168.1.25 may have been a typo, since I set the device to run off a static IP of 192.168.1.125, to my knowledge no device on the network has 192.168.1.25
But other than that brief typo, I do believe the rest of the information is as accurate as I could make it. I typed it as I looked for it, so even if it seems odd, that's what it was.

Will an ethernet adapter work on an iMac?

I have tried on numerous occasions to connect my iMac to the internet via an ethernet connection but the following message appears: "Cable Unplugged". I have given up on the ethernet port and would like to know if an ethernet adapter would work on an iMac. All the information that I have read says that the ethernet adapter works on a Mac but nowhere does it mention the iMac.

Sorry for the delay in getting back to all of you. Firstly, thanks for your input. Good to be a part of the support community. I went to my local Apple reseller store, explained the situation, and they recommended an ethernet to Thunderbolt adapter. I took it home, installed it and, voila, I now have an (really fast) ethernet connection. The gentlemen at the store told me that the adapter is not for transferring data, only internet access. Please feel free to relay this information to anyone you know with an ethernet connection problem like the one I had. Regards.

HT4628 my powerbook g4 os x 10.5.8 leopard is showing-Connection time out while connecting to the wifi.however it showing all available wifi connections around but not connecting it..however ethernet is working

Problem while connecting with Wi-Fi,
When i am connecting my powerbook g4 leopard to any Wi-fi connection it showing -Connection time out, however Ethernet is working .I have updated all softwares but still same problem.

It's possible that either the internal AirPort Extreme card or the antenna is faulty or has failed.
One last thing to try before going with another Wi-Fi solutions is to the following:
Try the following, in order, until (hopefully) resolved:
1a. Delete Preferred Network(s)
System Preferences > Network > AirPort > Advanced > AirPort tab
Under "Preferred Networks," delete the network(s) you regularly use from the list.
1b. Delete AirPort Keychain Entries
Launch the "Keychain Access" application located in Applications/Utilties.
Click on the "Kind" filter at the top, and look for any "AirPort network password" entries...and delete them.
1c. Add Preferred Network(s)
System Preferences > Network > AirPort > Advanced > AirPort tab
Add the preferred network(s) using the "+" button.
Restart or log out then back in.
2. Move System Configuration Files
(Note: You will have to reestablish your network connections settings.)
Go to /Library/Preferences
Move the SystemConfiguration folder to the desktop.
Restart your Mac. (Note: OS X will rebuild the files that are now sitting on your desktop. If this doesn't resolve the issue, you can move the folder back to it's original location.)
3. Run the Disk Utility to repair Disk Permissions.
Restart or log out then back in.
4. Turn off the Mac OS X Firewall
System Preferences > Sharing > Firewall
Click the "Stop" button.
5. Create a New User Account
System Preferences > Accounts
Click "+" to add a new account
Log off, then log back on with the new user account.
Try connecting with the AirPort.
If none of these help resolve the issue, you may want to consider getting a USB wireless adapter to replace both the internal card and antenna. One such vendor of these adapters is Other World Computing (OWC).

USB ethernet stopped working on 10.7.4.

After I upgraded to 10.7.4, the usb ethernet stopped working. When I plugin the usb ethernet port, it still shows "Cable Unplugged". Any suggestions? Thanks.

FIxed my problem!
After years the problem was solved somply!
Go to System preferences
Go to Ethernet
Go to Advance
Go to Hardware
The just make the changes like in the pictures below

USB Ethernet stop working after hotplug

I have found that my Apple USB Ethernet dongle stop working if I plug in another USB device. This happens both using a USB hub, and when plugging directly into the MacBook Air. I also see this problem when using a similar dongle from another supplier (called AX88x72A). The USB Ethernet dongle works fine after booting, with status "Connected", but if I plug in another device like my phone or a USB drive, the status changes to "Cable Unplugged" after a few seconds, ifconfig no longer show the en1 interface, and syslog gives a few error lines such as:
Fri Jan 13 13:17:19 Airbook-II kernel[0] <Debug>: en1
Fri Jan 13 13:17:19 Airbook-II kernel[0] <Debug>: Ethernet \[AppleUSBEthernet\]: Link down on en1
Fri Jan 13 13:17:19 Airbook-II kernel[0] <Debug>: AppleUSBEthernet::prepareForFlash - Link down, Device 87bf600
Fri Jan 13 13:17:19 Airbook-II kernel[0] <Debug>: AppleUSBEthernet::prepareForFlash - Link down, Device 87bf600
After this, I must reboot the MacBook Air to get the dongle working again. Do anybody know how to force the AppleUSBEthernet driver to rescan the device tree (or something similar)?
With regards,
Birger Retterstøl Olaisen

I have exactly the same problem here (MacBook Air 2,1 - OSX 10.6.8). After several tries (and reboots!), I've found that an unload/reload of the USB Ethernet driver works.
Note that operation is not automatic: I have to execute commands in a terminal in order to retrieve my Ethernet connection... but it is far better than a reboot!
So, if you want to test my method, once you have plugged a USB key (or after an hotplug of your USB-ethernet dongle), you can execute these commands on your terminal (note there are 2 lines and no space in the kext name, a space may be inserted by this forum):
sudo kextunload /System/Library/Extensions/IONetworkingFamily.kext/Contents/PlugIns/AppleUSBEth ernet.kext
sudo kextload /System/Library/Extensions/IONetworkingFamily.kext/Contents/PlugIns/AppleUSBEth ernet.kext
Of course, i've made a small script with these commands, and copied it on my PATH so it is even easier to execute it. It works perfectly for me, and I hope it could help.
David.

Ethernet no work

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