Quote:
Originally Posted by Graham
Quote:
Originally Posted by LemonyBrainAid
Hoi! I'm the only cocky loudmouth funny 13 year old on this forum - rep me!
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Certainly! One red rep coming up... 
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Lol.
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Take it she has a cable router as well as a wifi card, integrated or otherwise, on each PC?
The only difference in networking terms between DSL and Cable is that Cable modems are locked to the network, DSL ones aren't - which shouldn't be a problem so long as the DSL modem isn't USB. Which it tends to be

In essence, there is no difference between a wireless card for a PC or LT whether or not it connects via a router to cable, or a router to DSL.
Either she's misinterpreted the salesman or been ripped off, but she should be able to get a refund if it's not needed- but let's ascertain exactly what she DOES have and work out what's needed first.