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Windows 7: Network Card not working

18 Jan 2013   #1

Windows 7
 
 
Network Card not working

I have upgraded my Sony Vaio CR510E laptop to windows 7 a long time ago. Just recently found out that my network card is not working. It can't get an IP ADdress. All I get is the private IP 169.254.255.245.

I tried installing driver for the old Vista OS and it didn't work. Tried installing from automatic windows detection and it doesn't work. I don't know what kind of network card I have. Does anyone have any suggestions?

Wifi is working fine.

My System SpecsSystem Spec
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18 Jan 2013   #2
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Welcome to Seven Forums. Go to Control Panel\All Control Panel Items\Device Manager and see if there is a yellow icon on Network Adapters.

Network Card not working-devmgr.png
If so right click the device, then update driver, Search Automatically.


My System SpecsSystem Spec
19 Jan 2013   #3

Windows 7
 
 

Quote   Quote: Originally Posted by Britton30 View Post
Welcome to Seven Forums. Go to Control Panel\All Control Panel Items\Device Manager and see if there is a yellow icon on Network Adapters.

If so right click the device, then update driver, Search Automatically.
There's no yellow icon in there. I've tried clicking on update driver and it only says that I already have the latest driver installed.

And also, even if I set a static IP and gateway on the network adapter, it's not able to connect to the router (192.168.1.1)
My System SpecsSystem Spec
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19 Jan 2013   #4

Windows 7 Home Premium 64bit
 
 

First thing you should do is check hardware. That means router ports cable and the nic port on the back of your computer

Then ping the internals open command prompt and type the loopback " ping 127.0.0.1 " if your physically connected in the first step and you get losses here its a software issue. resetting tcpip might fix the issue it may also be a anti virus issue or something like that
My System SpecsSystem Spec
19 Jan 2013   #5

Windows 7
 
 

Quote   Quote: Originally Posted by kyea67 View Post
First thing you should do is check hardware. That means router ports cable and the nic port on the back of your computer

Then ping the internals open command prompt and type the loopback " ping 127.0.0.1 " if your physically connected in the first step and you get losses here its a software issue. resetting tcpip might fix the issue it may also be a anti virus issue or something like that
So I connected the cable from laptop lan port to a lan port in the router, did a PING 127.0.0.1 and was able to ping successfully. I have already disabled antivirus.
My System SpecsSystem Spec
19 Jan 2013   #6
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Try the Device manager again and uninstall the adapter and delete the driver and reboot.
My System SpecsSystem Spec
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 Network Card not working




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