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Weird Ethernet Problem.

post #1 of 9
Thread Starter 
I have a computer Im trying to set up for my mom, but have been having a problem and I am out of ideas.

MB:
Aopen AX4SPE Max

CPU:
P4 2.8ghz

Ram:
2gb mixed

Generic 32mb video card
generic case
40gb HD (WD I think)

Anyway, The computer will not connect to the internet through ethernet through ethernet.
I have tried 3 different NICs, the internal Broadcom 1000mb, a 3com, and a generic HP (MPX branded chip). I have tried Vista, XP, and now Ubuntu Linux. I have also tried 3 ethernet cables, and another router.
In all combinations of OS/Router/Cable/NIC, the computer WILL NOT connect to the internet. In windows, It will try to connect for a couple minutes and then give the "little/no connectivity" warning. When I try to repair, It says it cannot resolve/release IP (dont remember exactly what it says, but something to that effect). When I look on my routers network page, where it lists my computers, this computer will not show up. In windows I have uninstalled and reinstalled drivers multiple times and I have even disabled the onboard lan and used a PCI NIC to see if it was interfering somehow. No luck.

So, I installed Ubuntu and it still wouldnt work. I am trying to use 11.10 and it is installed on the harddrive. It still would not connect and I have tried every combination as mentioned earlier. It goes into an endless loop trying to connect, then disconnecting, and trying to connect again. BUT, It WILL connect to the internet through USB straight to the router and it works fine. I did not try this in windows because I did not think of it. So, the question is, why would it totally refuse to work through Ethernet, but work fine with usb?

Sorry for the long post, but want to give as much info as possible...
Thanks,
Dylan
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post #2 of 9
Ok, so quick summary to make sure I got this right -
You've tried different routers, different ethernet cables, different NIC's, and different OS's and still have the same problem?

When you tried the different NIC's did you try them in other PCI slots, or were they all in the same PCI slot? Do you have other PCI cards to try in that/those slots?

When you plugged in the ethernet cable, did the link lights come on? Were they nice and bright, or fairly dim?

Did you try assigning a static IP? (doubt it'll help, just throwing everything out I can think of at this late hour...)

I'm leaning towards MoBo issues. I'll get some sleep and ponder this for a while and see if I missed anything you haven't tried yet.

EDIT - looks like one of the NIC's you used was the onboard NIC. Hmm... now I'm REALLY leaning towards MoBo issues. With all the NIC's can you ping 127.0.0.1 and get a response of <1ms?
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post #3 of 9
Did you clone the WAN MAC when trying different routers? A lot of times you will still have an outstanding DHCP reservation with your ISP that needs to time out before being assigned another WAN address.

What kind of IP are you receiving?
If it is 169.254.x.x then you are not receiving information from DHCP.
If it is something other than that (192.168/16) then you at least have some form of connectivity with the router.

Do you get the same behavior assigning a static IP in the same subnet or can you successfully ping the loopback address? (127.0.0.1)
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post #4 of 9
Thread Starter 
I think the general consensus is that the board is fried (which I bought from a member here).
I tried a PCI usb card in all 6 slots, and it worked fine. I have an AGP video card, and that works fine, I have 3 NICs plugged in under the AGP card. I test these one at a time, first the onboard lan, then the NICs. The LINK lights will come on, but the TX/RX lights will not blink. The Nics will not communicate with the router, in any combination.

Like I said, USB internet works fine...
I will try Pinging localhost later.
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Hitachi 320GB 16MB Cache SATA II 1x DVD RW Vista X64 Logitech EX110 
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post #5 of 9
try hooking everthing up with the modem and router unpluged. First plug in the modem and once that is good to go plug in the router. Once the router is good to go if it isn't working try restarting the PC. if it is a combo router/modem be sure to reset to factory settings and plug it in. (just remember to go back in and set the security for passwords and wireless again)

with that many changes in hardware it can't be a hardware issue. Even if the onboard didn't work a PCI NIC would still be OK.

and when you say USB do you mean you are hooking it to the modem? I've never seen a USB connection on a router. what kind of router are you using?
Edited by Vagrant Storm - 10/24/11 at 10:43am
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4x4GB G.Skill Ripjaws bunch of 'em Blu-Ray For movies Windows 8.1 
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post #6 of 9
Thread Starter 
The Modem/Router is an Actiontec GT 724-WG, has 4 ethernet ports and a USB port. You can use the USB port to connect to the internet through.


I was just using the other router (WRT54G, DD-WRT) as another thing to test, narrowing stuff down.
The computer will not acquire an IP...
Edited by Defiance665 - 10/24/11 at 11:08am
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Hitachi 320GB 16MB Cache SATA II 1x DVD RW Vista X64 Logitech EX110 
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post #7 of 9
to use another router you need to disable the built in routing on the combo modem router. when you plug it in via USB you are skiping over the router and hooking straight to the modem part.

Seeing as how you have the WRT54G I'd look into getting a different modem...those combo modem/routers are never a good idea.

The problem is the actiontek router...something is not set right in there. Have you tried to reset it to factory settings?
Edited by Vagrant Storm - 10/24/11 at 11:17am
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2600K @ 4.7GHz Asus P8P67 B3 GTX 580 EVGA Hydro Copper 2 GTX 580 EVGA  
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4x4GB G.Skill Ripjaws bunch of 'em Blu-Ray For movies Windows 8.1 
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My System
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CPUMotherboardGraphicsGraphics
2600K @ 4.7GHz Asus P8P67 B3 GTX 580 EVGA Hydro Copper 2 GTX 580 EVGA  
RAMHard DriveOptical DriveOS
4x4GB G.Skill Ripjaws bunch of 'em Blu-Ray For movies Windows 8.1 
MonitorMonitorKeyboardPower
24.4" Hans G HH251 X2 Yamakasi DS270  Blah 1000watt Super Flower 
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post #8 of 9
Thread Starter 
Well, I dont know whats changed from the past week to today, but its working now... It still will not work through the Onboard lan, but I have a PCI NIC working...

I doubt mom would like Ubuntu, but Im almost afraid to put windows back on it... lol
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Hard DriveOptical DriveOSKeyboard
Hitachi 320GB 16MB Cache SATA II 1x DVD RW Vista X64 Logitech EX110 
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post #9 of 9
Well if it's working on ubuntu I wouldn't worry provided you have the drivers for it.
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