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PC not detecting Ethernet


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#1 ek5587

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Posted 13 March 2015 - 07:51 AM

My PC cannot detect my Ethernet connection. Help please I have tried everything... I could find on google

 

My PC was made around Feb 2014 and has been working fine but around December last year Ethernet stopped working suddenly. I have previously posted on the forum link about this issue.

 

I've spent dozens of hours trying to fix this and nothing has worked
Bios (updating, checking for correct settings)
drivers (re-installing, uninstalling, updating
O/S (Competely wiped my C drive and upgraded from windows 7-8, Emulating O/S and installing Linux O/S) 
RMA (Sent it in and got a refurbished Mobo) 
Checking Internet provider (support checked my connection and said nothing was wrong) 
equipment (Ethernet cable tested on my laptop works perfectly fine, factory reset modem) 

etc etc... I've basically given up since I've been busy and tired the last few weeks and have been using USB wifi tethering through my Smartphone. 

I have sent a email to my warranty provider and after complaining about my Ethernet still not working and they replied that it may be in fact either my RAM or CPU. I really don't want to send anything else in unless I'm 100% sure this time. Took 1 month to send a refurbished unit back and it ends up that my motherboard was not the problem... Also they said they tested the refurbished motherboard downloading a bunch of stuff and had no issue with it. 

 

Specs
Windows 8.1
Intel i5-4670k
8GB RAM 
ASUS MAXIMUS IV HERO


Edited by ek5587, 13 March 2015 - 08:33 AM.


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#2 JohnC_21

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Posted 13 March 2015 - 08:23 AM

In your link to the other thread you had Windows 7 and now you show Windows 8. If 8 is this 8 or 8.1? Go here and download the driver under the LAN section.

 

Intel LAN Driver V18.5.54.0 for Windows Win8.1 32bit & Win8.1 64bit---(WHQL).  89.05 MBytes  If you have 8.1

 

otherwise download and install this

 

Intel LAN Driver V18.5.54.0 for Windows 7/8/8.1 32bit & 64bit.(WHQL)   72.28 MBytesupdate

 

If the above does not work then download the intel CD files for their Ethernet adapters here.

 

If you still cannot access the Ethernet then use a USB to Ethernet adapter like this.



#3 ek5587

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Posted 13 March 2015 - 08:32 AM

woops Its windows 8.1. I'm pretty sure i've already tried downloading this but ill give it another go. I do not think this is a problem with drivers 

 

edit: nope didn't work


Edited by ek5587, 13 March 2015 - 08:36 AM.


#4 JohnC_21

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Posted 13 March 2015 - 08:55 AM

Try downloading and installing the following Chipset drivers.

 

Intel Management Engine Interface V9.5.15.1730 for Windows 32/64bit 7 & 32/64bit 8 & 32/64bit 8.1.(WHQL)

Intel® Chipset Software Installation Utility V9.4.0.1026 for Windows 7/8/8.1 32bit & 64bit.(WHQL)

 

Reboot after installing above drivers.

 

Even though you did it before, I would run the Netadapter Repair tool and do a Advanced Repair. Then reboot.

 

If that does not work then download the Full intel CD i linked to. It was updated 2/15. I am not sure it this will work but if not then I would go for the USB option. I am not sure why you cannot get Ethernet to work . This is a new MB also and you are having the same issue.



#5 ek5587

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Posted 13 March 2015 - 09:08 AM

Did everything you wrote, nothing worked... Could it be my CPU or RAM that's causing this?



#6 JohnC_21

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Posted 13 March 2015 - 11:02 AM

I have not heard of a CPU or RAM causing the Ethernet port to be non-funtional. You download the intel CD and installed the driver from it?

 

See steps 4 and 5 here. Turn off power management for the adapter and see if you can connect. Can you connect?

 

I googled this motherboard and it seems Ethernet is a common problem on it.



#7 ek5587

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Posted 13 March 2015 - 06:25 PM

I have not heard of a CPU or RAM causing the Ethernet port to be non-funtional. You download the intel CD and installed the driver from it?

 

See steps 4 and 5 here. Turn off power management for the adapter and see if you can connect. Can you connect?

 

I googled this motherboard and it seems Ethernet is a common problem on it.

 

My adapter doesn't have the same Step 4 (power management tab looks totally different) and yep tried out installing intel cd last night. 

 

Here's a extract from email I got from support staff from store I bought my PC parts from.
"The CPU controls most of the motherboard features and if it is having issues it can cause these parts to not function fully. Can you please also confirm you have tried reinstalling the drivers or Windows on your system as this may also be a software issue."
"
Our distributor provided us with a refurbished replacement unit, in our testing we downloaded more than 800MB of data and updates for the system without any dropouts or issues. "


Edited by ek5587, 13 March 2015 - 06:31 PM.


#8 JohnC_21

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Posted 13 March 2015 - 06:33 PM

I am at a loss on this. Maybe the CPU is the problem but I never hear of that causing the Ethernet to fail. The ethernet is controlled by a separate chipset. My only thought would be to try the USB to Ethernet adapter.

 

I Googled ASUS MAXIMUS IV HERO Ethernet not working and got quite a few hits.

 

I did find this intel support page regarding your chipset. Hopefully it helps. Check the last post in the thread. Somebody in the thread even had your MB.



#9 ek5587

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Posted 13 March 2015 - 07:25 PM

My regedit doesn't have 

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Control\Class\{4D36E972-E325-11CE-BFC1-08002BE10318}\0007]

"LinkNegotiationProcess"="2"

and doesn't have "LinkNegotiationProcess"="2" on the ones I can find. 



#10 JohnC_21

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Posted 13 March 2015 - 07:51 PM

I am out of ideas. Maybe somebody else on the forum has additional thoughts. I would buy the USB to Ethernet adapter I linked to before buying a new CPU.



#11 ek5587

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Posted 13 March 2015 - 08:02 PM

Thanks for the help. I'll buy a USB adapter for a temp fix. 

 

Still looking for help! 



#12 JohnC_21

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Posted 13 March 2015 - 08:12 PM

Make sure that the adapter you purchase supports your OS version. That Ethernet chipset is not very common and if you do get it working, please post back the solution.

 

Edit: If you Google I217-V No connection it seems many people are having issues with this chipset.


Edited by JohnC_21, 13 March 2015 - 08:16 PM.


#13 ek5587

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Posted 14 March 2015 - 09:14 PM

bump, anyone else have any idea how i could fix this?



#14 hamluis

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Posted 19 March 2015 - 07:09 PM

The typical workaround...is to use a card for ethernet functionality.  They aren't expensive and abound.  Using a card would also eliminate any doubt about exactly where the problem may lie.  If the card doesn't work, it's a motherboard/chipset issue.  If the card works, it's not a motherboard issue.

 

The fact that you have already replaced the original motherboard...casts doubt on everything, IMO.

 

Louis


Edited by hamluis, 19 March 2015 - 07:11 PM.


#15 YeahBleeping

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Posted 19 March 2015 - 07:17 PM

I agree with Ham .. pick up a network card and pop it in to your computer.  (hopefully you have an open interface slot) If it works than you know the NIC on the computer is probably bad.






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