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Windows 7: Ethernet LAN and WIFI / WLAN not working simultaneously

09 Mar 2015   #1
Useless User

Microsoft Windows 7 Professional 64-Bit 7601 Multiprocessor Free Service Pack 1
 
 
Ethernet LAN and WIFI / WLAN not working simultaneously

My laptop used to be connected

1. wirelessly to a wireless router and
2. physically to a switch via ethernet cable to access other PCs on site

For years, I was able to

1. enjoy wireless internet access and
2. transfer big files to my other PCs via ethernet, having prioritised the LAN connection

All was well. After two months absence from work, I found the wireless router was broken, so I bought two new ones, same model as before, just in case. Windows 7 Enterprise also updated in the meantime.

Now, when the ethernet cable is plugged in, I have no wireless internet access ("Attempting to Authenticate... forever); when the ethernet cable is not plugged in, I have instant wireless access.

What could I do? I am puzzled... Thanks in advance for any advice!


My System SpecsSystem Spec
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09 Mar 2015   #2
maxie

windows 7 home 64bit
 
 

Hi ... What is the Model Number of your Laptop ... Some Laptops have a feature in the BIOS which will enable both connections ...

You should check there first especially if you Laptop is an HP ...

Also check out the Solutions in the Link below ...


How to use Wireless and Wired Connection both at a same time in Windows 7? - Super User
My System SpecsSystem Spec
09 Mar 2015   #3
Useless User

Microsoft Windows 7 Professional 64-Bit 7601 Multiprocessor Free Service Pack 1
 
 

Thanks for replyin'...

It's a MacBook Pro 15" Retina, running Windows via bootcamp. To control my "herd" of PCs (they run simulations), I've always used such laptops for Windows machines and had no issues. The "Disable on wired connected" option is disabled and always was. Only after that router change and Windows update, the whole shebang no longer works : (
My System SpecsSystem Spec
.

09 Mar 2015   #4
maxie

windows 7 home 64bit
 
 

Sorry I am not that familiar with Bootcamp ... Your best option would be to make a Post on the Apple Forum if you have not already done so ...
My System SpecsSystem Spec
09 Mar 2015   #5
Useless User

Microsoft Windows 7 Professional 64-Bit 7601 Multiprocessor Free Service Pack 1
 
 

Can't be an Apple issue though, as the laptop is running Windows 7 Enterprise natively. Symptom is the same on other laptop.

The only thing that was physically changed in the network is the router. The only software change was upgrading Windows 7 Enterprise.
My System SpecsSystem Spec
10 Mar 2015   #6
Useless User

Microsoft Windows 7 Professional 64-Bit 7601 Multiprocessor Free Service Pack 1
 
 

Bump.

Someone's got any ideas? Where in Windows 7 can one check/analyse why both ethernet and WLAN are not working in parallel, as they used to? What could be in conflict here?
My System SpecsSystem Spec
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 Ethernet LAN and WIFI / WLAN not working simultaneously




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