Ethernet port lit, no internet

I am having 2 problems with networking on my v570.
when hard-wire connected to a time warner arris modem, the computer sometimes recognizes the network but does not get internet access.
when connected to an airport extreme via the same modem, it connects to the internet but speeds are drastically low. when I hardwire connect a mac to the modem, it's blazing fast.
something seems to be wrong with the connectivity
re: http://support.lenovo.com/en_US/diagnose-and-fix/detail.page?DocID=HT001712
thanks,
chad
Solved!
Go to Solution.

If you have a Broadcom wifi, you will most likely be getting between 65-72mbps connection, that`s only a max of 8MB download speed.
What connection speed is your wifi getting, and what brand of wifi card do you have Intel, Atheros or Broadcom.
EDIT : what wifi connection speed and the reliability of the connection depends on any interfierence around you, from other wifi, bluetooth, dect phones, gas\elec meters, baby monitor, micowaves and the list goes on and on.
Also what router you have can affect your wifi connection speed.
The program in the link below, will show you all the wifi router in your area, the more the harder your notebook and router has to work to get a good connection.
http://www.metageek.net/products/inssider/
John.
Win7 Lenovo Ideapad Z580 i5-3210m HD4000 Win7 x64 8gb 1600MHz Samsung 830 256GB SSD

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Creating Dual Ethernet ports and separateing Internet vs. LAN

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PowerMac G5 Dual 2GH Mac OS X (10.4.6)

Also, as a follow up question, can I use any Ethernet card or are there Mac specific one that I need to get?

No internet access via ethernet port

Hi, have been using my emac via ethernet cable to router, for many months with NO problem accessing internet and others cabled to same router also having no problem and I have used my Pwr Mac wtih no problem and have never had to make any specific settings to either to access the net via the router which gets its wifi signal from elsewhere. With system preferences > network > ethernet open I can see the the router is being recognized cause it appears or dissappears as soon as I plug or unlug the ethernet cable. I open "Activity Monitor" and occasionally, very briefly, there will be data incoming( green spikes ) or outgoing( red spikes ). HD verified OK, ran disk permnissions and scripts. Have not yet run Apple or other( Micro-mat ) hardware testing programs tho I will later. Does anyone know if there is a PLIST file that can get corrupted that would affect ethernet port functioning properly? My guess it is hardware but since I can see the router is recognized makes me wonder about corrupt file ergo a system error or possibly inloaded some file that caused conflict. I also booted from my external drive and tried accessing from the cloned OS system and still did not work. The cloned system is the original has never been updated, nor has any of the applications in clone, so, if it was "system" problem the clone should have worked. However, I had cloned user ergo newest documents, library etc, so that would be the only possible source of conflicts when booted from clone system....Thx Ran

Ping test should be interesting.
Start by pinging router address. Should be able to ping building router if you can figure out it's address.
Could you go wireless to building net? You might buy a usb dongle.
USB dongle
Introducting RokIt, a new wireless USB adapter that is compatible with Mac OS 10.3, 10.4, and 10.5 Leopard.
http://rokland.com/store/productinfo.php?productsid=319
Newer Technology MAXPower 802.11n/g/b USB Adapter. The easiest way to add Wireless Connectivity to ANY computer! 2 Year Warranty.
http://eshop.macsales.com/item/Newer%20Technology/MXP802NU2C/
There are usb to ethernet cable.
You could try another browser.
*MAC Address*
Every ethernet port has a unique MAC Address. A router can block on a MAC Address. That is why I suggest you check out your router.
Note MAC is not Mac. MAC is all upper case.
definition: http://en.wikipedia.org/wiki/Mac_address
*Ethernet port hardware*
I'd say this was some kind of strange hardware problem.
*Dns problem?*
It has symptoms of a DNS problem. The little traffic is a symptom of the problem. You said all the numbers were the same, however.
Verify DNS
apple > system preferences > network
Double click on network connection you are using.
Pick the TCP/IP tab.
Verify that you have a DNS Server. If you do not, look on your windows machine and see what the net address is. You can also pick using DHCF and still enter you DNS server address.
You can use
harddrive > applications > utilities > network utility
to diagnose the situation.
You can ping google.com. Result:
Ping has started ...
PING google.com (64.233.167.99): 56 data bytes
64 bytes from 64.233.167.99: icmp_seq=0 ttl=244 time=215.362 ms
64 bytes from 64.233.167.99: icmp_seq=1 ttl=244 time=279.597 ms
64 bytes from 64.233.167.99: icmp_seq=2 ttl=244 time=189.747 ms
64 bytes from 64.233.167.99: icmp_seq=3 ttl=244 time=250.657 ms
64 bytes from 64.233.167.99: icmp_seq=4 ttl=244 time=183.232 ms
64 bytes from 64.233.167.99: icmp_seq=5 ttl=244 time=243.753 ms
64 bytes from 64.233.167.99: icmp_seq=6 ttl=244 time=173.108 ms
64 bytes from 64.233.167.99: icmp_seq=7 ttl=244 time=230.239 ms
64 bytes from 64.233.167.99: icmp_seq=8 ttl=244 time=180.639 ms
64 bytes from 64.233.167.99: icmp_seq=9 ttl=244 time=232.177 ms
--- google.com ping statistics ---
10 packets transmitted, 10 packets received, 0% packet loss
round-trip min/avg/max/stddev = 173.108/217.851/279.597/33.615 ms
If that does work, try pinging 64.233.167.99 Result:
Ping has started ...
PING 64.233.167.99 (64.233.167.99): 56 data bytes
64 bytes from 64.233.167.99: icmp_seq=0 ttl=244 time=189.655 ms
64 bytes from 64.233.167.99: icmp_seq=1 ttl=244 time=213.471 ms
64 bytes from 64.233.167.99: icmp_seq=2 ttl=244 time=257.873 ms
64 bytes from 64.233.167.99: icmp_seq=3 ttl=244 time=172.745 ms
64 bytes from 64.233.167.99: icmp_seq=4 ttl=244 time=226.723 ms
64 bytes from 64.233.167.99: icmp_seq=5 ttl=244 time=171.883 ms
64 bytes from 64.233.167.99: icmp_seq=6 ttl=244 time=260.308 ms
64 bytes from 64.233.167.99: icmp_seq=7 ttl=244 time=172.963 ms
64 bytes from 64.233.167.99: icmp_seq=8 ttl=244 time=198.840 ms
64 bytes from 64.233.167.99: icmp_seq=9 ttl=244 time=181.215 ms
--- 64.233.167.99 ping statistics ---
10 packets transmitted, 10 packets received, 0% packet loss
round-trip min/avg/max/stddev = 171.883/204.568/260.308/32.247 ms
If pinging 17.254.3.183 works but pinging Google.com doesn't. You have a bad DNS Server address.
BDAqua suggests in a post.
You can use OpenDNS for looking up web addresses.
Put these numbers in Network>TCP/IP>DNS Servers for a try...
208.67.222.222
208.67.220.220
I think they now pretend you need to join to use, but you don't.
https://www.opendns.com/homenetwork/start/device/apple-osx-tiger
(Please note that you do not need to a joint Open DNS to use it.)
http://discussions.apple.com/message.jspa?messageID=5908432#5908432
Google provides free dns lookup too. There numbers are:
8.8.8.8
8.8.4.4
Robert
=======================================================
I suggest that you try pinging Google.com.
Macintosh-HD -> Applications -> Utilities -> Terminal
mac $ ping -c4 google.com
PING google.com (64.233.187.99): 56 data bytes
64 bytes from 64.233.187.99: icmp_seq=0 ttl=245 time=177.617 ms
64 bytes from 64.233.187.99: icmp_seq=1 ttl=245 time=251.899 ms
64 bytes from 64.233.187.99: icmp_seq=2 ttl=245 time=169.291 ms
64 bytes from 64.233.187.99: icmp_seq=3 ttl=245 time=250.119 ms
--- google.com ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max/stddev = 169.291/212.232/251.899/38.894 ms
mac $ ping -c4 64.233.187.99
PING 64.233.187.99 (64.233.187.99): 56 data bytes
64 bytes from 64.233.187.99: icmp_seq=0 ttl=245 time=176.723 ms
64 bytes from 64.233.187.99: icmp_seq=1 ttl=245 time=247.889 ms
64 bytes from 64.233.187.99: icmp_seq=2 ttl=245 time=176.890 ms
64 bytes from 64.233.187.99: icmp_seq=3 ttl=245 time=244.623 ms
--- 64.233.187.99 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max/stddev = 176.723/211.531/247.889/34.744 ms
mac $
Analysis: If you cannot ping Goolge.com but you can ping 64.233.187.99, then you need to enter you dns address. For some reason Mac OS X sometimes doesn't set the dns. You can set it manually.
apple > system preferences > network
tcp/ip tab and enter address of dns servers
example 162.33.160.100
You will need to use a different number.
PS.
You are a little short on stating results. You state what you did, but I have to guess the result.
Did: X
Result: Y
Did:
1) Power Book's ethernet cable plugged into router port 5. Working to yahoo.com.
2) Unplugged power book's ethernet cable from router
3) Plugged eMac's ethernet cable into port 5.
Result: eMac using Firefox was not able to access yahoo.com
Robert

How can I get on the internet with my newly purchased used G5 Power Mac if my ethernet port failed?

We just bought our son a used G5 Power Mac, but when we got it home and tried to hook it up to the internet, no luck. We changed ethernet calbes, tried plugging directly into wall cable (by-passing router), even tried to do manual config, but no luck. I took it to the Genius Bar today and they said the ethernet plug was broken, and they did not have anything for a "vintage" machine like this.
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< S/N Edited By Host >
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http://eshop.macsales.com/item/NewerTech/MXP2802NU2C/
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http://eshop.macsales.com/item/Asus/USBN10/
OS Support Mac 10.4/10.5/10.6
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Maybe you can get on the Internet over Ethernet.
You really need to ask them, and do not let them blow you off because you have a Mac. If they balk, ask them how it would be done on a PC (becasue it will be the same on a Mac).

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Is the Ethernet Port for Internet Only??

I have tried to get an answer to a problem I'm having on another forum, without success, so I am asking it here.
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You should be able to get a connection on any other computer in the same way.
If you cannot get an Internet connection on the PC with the same hook up, then you will need to do some troubleshooting on the PC....or call the IT guys at the company to find out what type of block they may have on the PC.

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Press the reset button on the router for 30 seconds. The Power light will start flashing. Turn the Router and the Modem OFF. Turn the modem ON first, wait for 10 seconds, turn the router ON, wait for 10 seconds, you should be ONLINE !!!
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Can I share internet from a airport express via the ethernet port

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Still curious why I cannot connect using the airport express.
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I have a MacBook Pro and all of a sudden I cannot get wireless internet connectivity to my router or any other router, I get connectivity through the ethernet port but not wireless. This was working well till this morning

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BXB1905 wrote:
I tried the Apple diagnostics it did not work.
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Hi
I would recommend that you invest in an inexpensive router, which should include a number of (commonly 4) ethernet ports. This will live between your high-speed modem and all your network devices, including your computer and your printer. You can then, of course, add more wired computers , and they will all be able to access the printer.
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Ethernet port lit, no internet

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