Usining Two Network Adapters 2 Nics

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C

consultant

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Apr 26, 2009
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I have an internal NIC and a USB NIC with a large antenna. I've tested and the USB Nic gets better reception and speed when I'm at my desk. When I plug in, both NICs are connected. When I run a bandwidth test I get better speed with the internal NIC disabled. I'm tired though of remembering to enable the internal NIC when I'm not plugged in (away from my desk.)

Is there a way in Windows 8 to setup profiles so that when the USB is plugged in, is disabled the internal NIC or when the AC power is plugged in it disables the internal NIC? The former is much preferred as there may be times I have AC power but not plugged into the USB NIC at my desk.

Or is Windows 8 SUPPOSE to send traffic through the NIC with the strongest connection automatically (which it doesn't seem to do.)
 
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Tom Tancredi

Tom Tancredi

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May 9, 2013
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Putting two NICs on at the same time confuses Windows, unless you implement FAIL OVER, where when one connection gets busy it uses the other, and vice versa. Never use two different connection in one PC.

As for why the built in NIC sucks as compared to the USB all depends on MANY things, most notably the speeds at which the devices work based on the protocol used, for example your built in NIC COULD be 802.11g, which means it maxes out at a specific point but your USB is 802.11N which had higher bandwidth, but still all these are subject to what they connect to and how that performs as well.

That said, as this is all 'generically' spoken, I would suggest you do the following while using the ONBOARD NIC first, as alot of these can affect the ONBOARD but may not 'recognize' to equally affect the USB, just 'yet';

Download and run SPECCY, copy and paste the first tab to show your idle specs

Remove whatever AV your using and go to www.filehippo.com and download Comodo, Panda, AVIRA (I highly suggest) or AVG (AVAST! been hacked so I don't recommend them anymore) and do a full system scan - this repeatedly has resolved alot of people issue relying on MS Essentials and Norton tends to get in the way of alot of programs it seems.
Download Malwarebytes do a full system scan (AV doesn't pick up alot of malware) - this resolved almost ALL other similiar posts to date as most had Malware the AV didn't pick up.
Repeat the AV/Malware scans till the system comes up clean.

Did you install all Windows Updates? Including options except BING? Check them and repeat till ALL are installed.
Download and run Slim Drivers, install all the latest updates but you don't need to reboot until you do the last update

90% of the time just doing ALL these steps AS OF THIS POST resolves the issues people have posted here like yours, per their feedback thanking me for them.
 
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