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Windows 10 Ethernet Internet DNS Issue


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22 replies to this topic

#1 kkoz83

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Posted 29 November 2017 - 03:03 PM

Hello everybody, how are you doing?

 

I need help with the following Internet issue:

 

A desktop running Windows 10 cannot connect to the Internet via Ethernet (no WiFi option available).  The Internet works perfectly only in Safe Mode with Networking - but no regular Windows.  The ethernet cable and router are fine, there should be no virus (but not guaranteed), and Windows troubleshooter says "DNS service not responding" or suggests resetting Network (which didn't help).

 

Please help! :)

 

 



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#2 JohnC_21

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Posted 29 November 2017 - 03:24 PM

Firstly, make sure your DNS Client service is set to automatic and started. If it has then do the following.

 

If your DNS servers are set to automatic manually set OpenDNS servers and see if you can connect. After setting OpenDNS servers flush your DNS cache and browser cache.

 

https://support.opendns.com/hc/en-us/articles/228007207-Windows-10-Configuration

 

https://support.opendns.com/hc/en-us/articles/227988627


Edited by JohnC_21, 29 November 2017 - 03:25 PM.


#3 jenae

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Posted 29 November 2017 - 03:33 PM

Hi, well he can connect in safe mode, so DNS servers should be ok.. The problem is either a third party AV's firewall or another third party util. Perform a clean boot:- 

 

https://support.microsoft.com/en-au/help/929135/how-to-perform-a-clean-boot-in-windows



#4 kkoz83

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Posted 29 November 2017 - 05:09 PM

Clea booting didn't make a difference :(

 

Flushing DNS didn't help :(



#5 JohnC_21

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Posted 29 November 2017 - 05:15 PM

Did you use OpenDNS servers? I'm assuming you did if you said flushing DNS didn't help.

 

Are you using a third party AV with firewall as jenae posted?



#6 kkoz83

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Posted 29 November 2017 - 05:19 PM

Yes to DNS & I had trouble removing Comodo but I think I removed all of it.  



#7 JohnC_21

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Posted 29 November 2017 - 05:26 PM

You can use AutoRuns to check for any Comodo services or startups. Do a search and uncheck the box next to any Comodo listings. 

 

https://docs.microsoft.com/en-us/sysinternals/downloads/autoruns

 

Are you saying the Network problem happened after removing Comodo?



#8 kkoz83

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Posted 29 November 2017 - 05:34 PM

I'll do Autoruns tomorrow & ethernet/internet started before uninstalling Comodo.



#9 kkoz83

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Posted 30 November 2017 - 12:04 PM

I'll do Autoruns tomorrow & ethernet/internet started before uninstalling Comodo.

 

Should I download Autoruns from Microsoft or here?



#10 JohnC_21

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Posted 30 November 2017 - 12:07 PM

Downloading from BC is fine.



#11 kkoz83

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Posted 30 November 2017 - 01:50 PM

Autoruns found few entries - bunch task scheduled & 1 registry key.  I deleted them and restarted the desktop.  No luck - but now Windows troubleshooter claims there's a driver issue with Ethernet.



#12 JohnC_21

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Posted 30 November 2017 - 03:07 PM

Reinstall your Ethernet driver. It will be on your computer's support site. 



#13 kkoz83

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Posted 30 November 2017 - 03:12 PM

Reinstall your Ethernet driver. It will be on your computer's support site. 

The problem is that it's a custom built desktop.  Can you walk me through finding the correct driver?

Another question - if the driver is faulty, then why is it fine in SM with Networking?



#14 JohnC_21

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Posted 30 November 2017 - 03:27 PM

Do you have a model number of the Motherboard? You can pull the side panel but be careful touching any of the components until your ground yourself on some bare metal of the case.

 

Open Device Manager. Right click your Ethernet Adapter. Select Properties. Under the Details tab select Hardware Ids in the dropdown box. Copy and post the first line.



#15 kkoz83

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Posted 30 November 2017 - 03:55 PM

The Ethernet adapter is Realtek RTL8139/810x Family Fast Ethernet NIC with driver version 6.108.331.2008

 

The hardware ID section is:

 

PCI\VEN_10EC&DEV_8139&SUBSYS_813910EC&REV_10
PCI\VEN_10EC&DEV_8139&SUBSYS_813910EC
PCI\VEN_10EC&DEV_8139&CC_020000
PCI\VEN_10EC&DEV_8139&CC_0200





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