I upgraded an HP laptop from Vista to Windows 7. Now it will not "see" a wireless router in a government building but will see other routers and networks. I changed routers (Apple to Linksys Dual Band) and exactly the same thing, even changing from 2.4 GHZ to 5.0 GHZ because of possible cordless phone interference.
All other portable computers can see the network but not this HP. And this HP sees other networks in the building. I upgraded the wireless adapter drive from Broadcom but no change. Totally perflexing to me. - This is a public forum so never post private information such as email or phone numbers!
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