Re: ethernet cards
I'm assuming you are connected via ethernet cable direct to a modem or Set Top Box (STB) for your broadband service.
The simple answer is that you can have more than one network card active in your computer at once. Theoretically it shouldn't matter which one you use, but nobody told Mr Gates that, and so strange things might happen.
Once you new internet card is installed, and the drivers are all running, go into your PC's internet connections and disalbe the connection to the card (onboard or otherwise) you don't want to use. Now power down your PC & modem (or STB), swap the ethernet cable connected port over, power up the modem (STB) and then PC. Hopefully you will now have your new connection.
The question has to be why you can't get connection with the onboard LAN card on your new motherboard - you have done the power off reoobt power on on modem (STB) and PC? Also you have the correct drivers loaded for the onboard LAN port and it has been enabled?
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