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Re: upgrade wifi card Inspiron 15

WAIT A SECOND!  I should've mentioned that you should check the number of antennas available in your system.  All of the cards I mentioned are dual antenna cards, and dual antenna cards don't work properly if only a single antenna is connected to them; you'd want a card designed to operate on a single antenna.  I can't any details about your current WiFi card, but even if it's a single-antenna card, it's still possible that the system design includes a second antenna that in your particular case would currently be disconnected, in which case you'd just connect it to your replacement card along with the primary antenna.  But if you find that your system only has a single antenna at all, you'd want to find a single antenna replacement.  I don't have any immediate recommendations on that front.

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