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Can you piggy back the WiFi on a second laptop via USB cable or blue tooth?

Posted on 2016-11-10
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Is there a way you could get Internet access by connecting labtop A without WiFi to laptop B with Wifi over USB? Over blue tooth? Laptop A's WiFi is pooched.
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Question by:amigan_99
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8 Comments
 
LVL 28

Expert Comment

by:Dr. Klahn
ID: 41883223
If laptop A has no WiFi, but it does have USB, why not buy a cheap USB WiFi adapter for a couple of bucks?  It's a much simpler solution.
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Author Comment

by:amigan_99
ID: 41883230
It's a temporary situation. Laptop A will get replaced. But need it to have iNet now. And I'd like to know for knowin'.
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Accepted Solution

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garycase earned 2000 total points
ID: 41883251
I agree that the simplest approach is an inexpensive USB WiFi adapter, but Yes, you can share the connection between the two systems.   There must, however,  be a network connection between the two laptops, as the sharing is done over the local area network.

To share it, just go to the Properties page for your internet connection; click on the Sharing tab; and check the box to allow the connection to be shared.

You can NOT share it via a USB connection between the two computers => but you could simply run an Ethernet cable between the two laptops and configure each with a static IP in the 192.168.x.x private networking space.
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Author Closing Comment

by:amigan_99
ID: 41883267
Thank you for the reminder. I remember I did do this before and that will work for sure.
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Expert Comment

by:Austin Texas
ID: 41883291
Reminder: If you aren't using a job or switch, you will need to use a crossover cable or crossover adapter with a standard cable.
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Expert Comment

by:Austin Texas
ID: 41883294
*hub* or switch
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Expert Comment

by:garycase
ID: 41883302
Actually it's very unlikely you'll need a crossover cable => almost all modern Ethernet adapters are auto-sensing.   And if either one of your laptops are auto-sensing, it won't matter whether you use a straight-through or crossover cable.
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Expert Comment

by:Austin Texas
ID: 41883304
In my experience, that is not the case. YMMV.
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