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Windows 7: Desktop computer will not connect through ethernet

18 Aug 2012   #1
bartnawer

home premium
 
 
Desktop computer will not connect through ethernet

This issue just started today after a couple years of working fine.

I have a modem and a router. I connect the ethernet from the modem to the router, which then provides wireless. I then also have an ethernet cable from the router to the computer. This always provided a wired connection and has always worked.

For some reason today, the wireless connection works for all laptop computers but the wired connect from the router to my desktop does not work. It just shows something is wrong with the internet connection and has a yellow caution sign.

I restarted the modem and router multiple times. I also tried to connect the ethernet directly from the modem to my computer. That does not work either. Again, the internet works fine wirelessly, just not to my wired connection.

Here is a couple screenshots from the desktop computer. I disabled firewall.

UPDATE: Wired connection is working in safe mode. Strange. Will update when i run malwarebytes in case




Attached Thumbnails
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My System SpecsSystem Spec
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18 Aug 2012   #2
DMHolt57

 
 

The wireless configuration does not show...
My System SpecsSystem Spec
18 Aug 2012   #3
bartnawer

home premium
 
 

Quote   Quote: Originally Posted by DMHolt57 View Post
The wireless configuration does not show...
What does that mean? Do you want to see an ipconfig screenshot from the wifi connected laptop?
My System SpecsSystem Spec
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18 Aug 2012   #4
DMHolt57

 
 

Is the default gateway the same (10.0.0.1) for wired and wireless?
My System SpecsSystem Spec
18 Aug 2012   #5
bartnawer

home premium
 
 

Quote   Quote: Originally Posted by DMHolt57 View Post
Is the default gateway the same (10.0.0.1) for wired and wireless?
Yes it is the same. Attached is wireless(from laptop) ip config


Attached Images
 
My System SpecsSystem Spec
18 Aug 2012   #6
DMHolt57

 
 

The subnet masks don't match...
My System SpecsSystem Spec
18 Aug 2012   #7
bartnawer

home premium
 
 

Quote   Quote: Originally Posted by DMHolt57 View Post
The subnet masks don't match...
What would cause this issue and how can I resolve it? Thanks for all your replies
My System SpecsSystem Spec
18 Aug 2012   #8
DMHolt57

 
 

Go into the network settings where you see the Ethernet adapter, right clik and select properties, make sure both are set to automatically obtain, clik the advanced button and enter the default gateway address, clik ok, reboot the machine...
My System SpecsSystem Spec
18 Aug 2012   #9
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

From where I'm looking the subnet masks are the same on both machines 255.255.255.0
The IP's are also in the same range.

If the wired connection on the one machine won't work you might try resetting the TCP/IP stack or flushing the DNS and reset winsock. The file below will do that for you, save file unzip and run the file until your machine reboots.


Attached Files
File Type: zip IPResetALL.zip (33.6 KB, 45 views)
My System SpecsSystem Spec
18 Aug 2012   #10
DMHolt57

 
 

Musta been my eyes playing tricks, would have sworn one was .0.0
My System SpecsSystem Spec
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 Desktop computer will not connect through ethernet




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