MacBook Pro :: Ethernet Port Stops Working On Location Change?
Apr 11, 2012
I seem to have a problem with my ethernet port not working after a specific location change...I have three locations I used frequently. Let's call them:Â
1) HomeWireless
2) WorkWireless (used when I'm in meetings)
3) WorkEthernet (used when I'm at my desk)Â
My general practice is to change locations just before putting my MacBook Pro to sleep, and then it is happily ready for the desired network when it is awoken.I'm not sure what this change in behavior coincided with, but as of ~1 month ago, I am finding that going from WorkWireless to WorkEthernet, my ethernet port appears to be completely dead and I have to reboot the computer to reactivate it (yes, I've checked the cable itself and the wall port at they're OK). I've tried a couple ways of disabling & re-enabling it in software, but I don't get the impression anything actually resets this interface - suggestions are welcome as perhaps I just didn't try the right thing. I couldn't find anything quite the same as "networksetup -setairportpower" for the ethernet port.Oddly, this is not an issue with going from HomeWireless to WorkEthernet. Both HomeWirelss and WorkWireless have the ethernet interface deactivated in the Network pref pane, and perhaps the only notable difference between HomeWirelss and WorkWireless is that I use a static IP on the former and dynamic on the latter.
Info:
MacBook
Pro, Mac OS X (10.6.8)
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Mar 26, 2012
My ethernet port is not working when cable is plugged in. Wireless works fine. Ethernet was working up until end of Feb. Then I turned it on and it wouldn't connect. Plugged into a friend's house still not working. Tried at work, still no luck. (I'm on a MacBook Pro late 2008)
Info:
MacBook Pro (15-inch Late 2008), Mac OS X (10.6.8)
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Sep 4, 2010
I just got to college and discovered that wifi didnt work (now I've learned that it only works with Firefox for whatever reason) so I just plugged into the ethernet port at my desk and it worked for a week or so and then it wouldn't work and I checked Network settings and it couldn't detect an ethernet cable. So I reset the PRAM and it worked... for a few hours, and now it doesn't. I don't want to have to do that every time I come back to my desk. What should I do about this? (and any suggestions on safari/chrome not working? I posted it in another subforum on here but I got nowhere)
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Jul 7, 2009
I just got a new MacBook and have been copying files via Ethernet from my pc. One thing I noticed is that whenever an Ethernet cable is plugged in nad hooked up to the router, the Internet stops working on both mac and pc. However, my torrent client on my pc continues downloading so it's not actually stopping, the browser is just failing to connect as is the official network status. Why is this?
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Apr 16, 2010
I've been having an annoying problem lately. The ethernet port on my Mac Mini seems to have stopped working. It happened when I was switching routers. Most likely I just unplugged it from the old router, and into the new one. After that, no more connection, nothing changes when I plug something in.
As far as troubleshooting goes, I've plugged it into other ports, and into my MacBook Air (Just to get a Self assigned IP) and nothing works. I know these ports work with my other computers. I've reset the SMC and PRAM.It works in bootcamp so this makes me think it's not hardware. Any other suggestions?
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Mar 23, 2008
I'm renting a house for the week with several friends, and there's only one ethernet port. I figured I could plug one friend's Powerbook G4 into the ethernet, go into Sharing, turn on Internet Sharing, and then nearby computers could borrow the connection - this isn't working. The network doesn't even display on my other friend's powerbook. The little upwards arrow does not display ontop of the airport icon in the menubar, which I think it's supposed to, what's going wrong? I have "Personal Web Sharing" turned on under "Services," still no go...
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Aug 11, 2009
How many of you would like to see a HDMI Port? Why the miniDisplay port? Why not remove ethernet jack and miniDisplay port and replace it with a HDMI port. That way one HDMI cable feeds digital video AND audio. Am I the only one thinking of this?
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May 20, 2009
I was just wondering if any other macrumorsmembers have been in the situation where there's no wifi, no decent 3G, but ethernet ports available to use, but you don't have a computer handy? Would it be possible that you could create an ethernet cable one end, dock the other, and literally connect e.g. an iPhone into the ethernet? At my place of work, there's no signal (dodgy GPRS/flakey Edge), some wifi, but in halls of residence, you get 1 ethernet port, and you can't put a wireless router onto it. It would seem that it would be an interesting solution, if it was possible.
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Nov 22, 2009
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I'm pretty sure this isn't a Finder crash because before, on Tiger, I could quit+restart Firefox and everything would be back to normal. Almost as if some shortcut had causes the system to act differently or there was some app dissonance?
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Mar 14, 2012
I had a goodworking SUS (10.6.8) working but the drive is getting full so i change the location of the files to another disk (in the xserve)and follow instructions from Apple (page 84 from the manual System Imaging) sudo cp -p /private/var/db/swupd/html /Volumes/My_Volume/My_Software_Updates_Folder/This works and i copy the files to a new drive. I also change the SUS so that theu host files for Lion clients url..works also, start SUS in Server Admin but when clients wants to connect i get an error that there is no SUS available and when i use the browser for an check i get een Forbidden error url...ForbiddenYou don't have permission to access /index.sucatalog on this server.Apache/2.2.21 (Unix) Server at 127.0.0.1 Port 80.
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Mar 21, 2008
is there a adapter with both a usb port and an eternet port?
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Jul 26, 2009
I'm yet to figure out a pattern, but my Macbook Pro's keyboard will just stop working for several minutes at a time at random points in time...Even if I hit caps or num lock, they don't turn green. Sometimes it'll just happen once every few hours, but I was in class the other day and it would work for a minute, then not work for a few, than work for another minute, etc.
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Nov 14, 2009
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I noticed that when you disable and re-enable the IR sensor, the last few remote button pushes you made while it was broken come through in a burst.
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Nov 11, 2010
I'm looking to add a second ethernet port to my MacBook Pro using this product designed for the MacBook Air: [URL:...] Comments on the Apple site indicate that the device can be used with other computers, but I want to make completely sure it's going to do what I want it to do before I make the purchase. The reason I'm looking to do this is that I want to link my MB (via ethernet) to another laptop running Windows 7 Ultimate and use the Microsoft Remote Desktop Client to operate programs installed on the WIndows machine. The catch is that the internet at my current location (a university accommodation building) is also supplied by ethernet LAN and has some kind of detection system that prevents unauthorised routers from accessing the internet. So basically what I want to do is have the university LAN/internet running into the existing ethernet port on my Mac and then connect the ethernet port on the windows machine to the USB/Ethernet adapter plugged into one of the Mac's USB ports. The Windows machine does not have to have internet access. Is this possible? Will I be able to configure the two ethernet ports separately to operate two network connections? I understand the connections would require a different subnet mask and possibly a static IP for the computer-computer connection. That was a bit long-winded in the end.
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Jun 26, 2012
Brand new 2012 MBP 15":
Network system prefs recognizes that the Ethernet cable is plugged in but flips between unknown state an cable unplugged. Never gets a DHCP address. When the cable is unplugged, it stays on the unplugged status. Â
As a note, I am having trouble getting Parallels to recognize any network connection at all, butmy immediate concern is the ethernet port.Â
Info:
MacBook Pro, Mac OS X (10.7.4)
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Dec 5, 2014
Macbook Pro with 15" display has no ethernet port. Is there a way to make a wired connection using an ethernet adapter (external?) w/thunderbolt or usb cable?
Info:
MacBook Pro (Retina, 15-inch, Mid 2014), OS X Yosemite (10.10.1)
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Nov 30, 2007
Been troubleshooting this one awhile...I even did an Archive and Reinstall....my Ethernet port on my 2.16Ghz MBP won't connect to anything. I get an IPv6 address when plugging into a router, but DHCP never works and a manually assigned IP doesn't work either. Reboot into Windows and it works fine...I've tried removing the Ethernet port, and have futzed with all the settings trying to reset it, but no dice. Problem started somewhere around 10.4.9, I think...I'm on 10.4.11...I reinstalled to .8 and worked my way back up...never works.
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Feb 5, 2012
How to allow an normal user to change their network location without adminstrator rights?
Info:MacBookPro
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Jun 27, 2014
Finally I can reproduce the freezing of my macbook air. If I change from wifi location for example i go to work from home the following happens:Â the MBA will not fall a sleep resulting in a very hot MBA in my bag.the MBA will fall a sleep but it is not possible to wake it up againthe MBA will fall a sleep and is able to wake up again after opening the lid but now it will freeze the entire mac within 5-10 minutes.Â
I have to push the power button for a long time in either cases.Â
I just did a complete restore so i have no extra software installed.Â
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Nov 22, 2009
I am having issues with my Dual Band 1TB time capsule for some reason the damn ports won't forward I have enabled the correct settings with the ip address and the ports, but when I use a program to test if the ports are open they are always closed, regardless on pc or mac. Does anyone have a solution to this? I even reset my Time capsule to see if it would work, but no luck.
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Aug 20, 2009
On Windows it's possible to change where the Music, Pictures etc folders are located. I've tried doing this to the folders on my Mac (Music, Pictures etc) and I can't find anything! I've checked on Google.
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Feb 5, 2009
Is it possible to use the second ethernet port on the Mac Pro to output internet to another computer or router?
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Jan 15, 2009
So to preface my problem let me just say that ive got my own macbook which works on the same wireless network with no faults at all, so i assume its not an error with the networking hardware.
For xmas i bought my parents a macbook, recently (not sure how recently as theyve only just told me its happening) they can be browsing the web then all of a sudden the internet takes ages to load, it stalls on 'trying to connect' for a long time (40+ for each web page).
Ive tried using firefox and the same thing happens so it looks like its not safari specific, during this time i cannot ping [URL] through a terminal either or if i can the response time is unbelievably slow.
Now, ive tried disabling ipv6, ive set the dns servers to opendns and none of this has fixed it. if i click on the airport utility and turn it off and the back on it fixes the problem for a short period of time before it happens again.
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Mar 15, 2009
i recently bought a 320GB WD passport HD so I could take advantage of time capsule. Should I also add my itunes music library so I can free up space on my aluminum macbook?
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Aug 21, 2014
How can I unlock my documents, and the all functioning process of my mac OS 10.9.3. In fact, each time I need to change a file to another location, or if I need to change it's name, I need to insert the password . The message "Finder wants to make changes. Type your password..." appears envy time.Â
Info:
MacBook Pro with Retina display, OS X Mavericks (10.9.3)
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May 9, 2008
Basically, I have a wireless router in my house that my Mac Pro connects to from a seperate room. I have an xbox 360 in my room with the Mac Pro. Without buying the $100 360 wireless adapter, could I configure it so I could run my 360 into my Mac Pro's ethernet port and piggy back off of my Mac's wireless connection to get on Xbox Live?
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Jun 14, 2009
I used the MacRumors Buyer's Guide for several months to find the best time to buy a MacBook. I'd never had a Mac before and found it to be so valuable. I hope someone in the forum can be as helpful as the site has been.
Yesterday I bought a new MacBook Pro 13" and as a store option the RAM was doubled to 4GB. Everything has worked well so far, in both OS X and Windows XP through Boot Camp, except for either OS accessing the LAN cable on my home ADSL. Both my portable modem (EMobile network in Japan) and the wireless seem to work with no issue, and both OS will recognize the ethernet port. I'm concerned that perhaps the ethernet adapter was modified when the store installed the memory.
I can remove the ethernet cable from one computer (where it works without any settings changes on my Windows notebook) and plug the same cable into the MacBook and it will not be recognized. The Mac OS error is that no cable is inserted.
However, as it's my first Mac, I didn't know if perhaps some new settings are required to make things work smoothly. Is there any DNS settings etc. that must be set for it to connect? Also is there some kind of connection diagnostic that will specify the location of the error in the machine? I'd like to exhaust any option before shipping this back to the store to be repaired or replaced.
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Jan 3, 2010
First I have an early 2008 Mac Pro with 2 Ethernet ports. Port 1 works but port 2 doesn't. Do I have to lug this BIG machine into an store or do they come to the house and fix it. I have the 3 year Apple Care. The closest store to me is 75 miles away.
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Dec 17, 2010
The last few days my keyboard and mouse have stopped functioning at random times on my macbook. I am running snow leopard. I have to shut the lid to put it to sleep and wake it up to get it to respond.
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Jan 11, 2011
Skype stops working after 20 minutes - the other person can hear me fine, but I cant understand a word the other person is saying (very digitalized). This doesn't happen on the PC so I'm wondering if it's an issue with the MAC. Does anyone have the same problem? Any ideas how to solve it?
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