new laptops at same time

i originally had a sony laptop. Was able to connect to my linksys router
with no problems. Recently, purchase a hp laptop. I am able to individually
connect to the network wirelessly on each laptop, but unable to connect to
wireless network at the same time with both laptop(using built in adapter).
I spoke with linksys support and they had me change my KEY. This seemed to
work for a couple days, not I'm back to same problem.

Anyone else seen this?

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