Is "silabs.com" a domain? I'll bet that the working computers are setup for
domain, using WINS not broadcast, and NetBT is Disabled.
Since you munged, and trimmed your "ipconfig /all" logs, to be practically
useless (not even showing Node Type), I'm guessing your specific problem, so
you'll have to read the above articles, and follow all links. But it will be
one of those problems.
Chuck, MS-MVP [Windows - Networking]
Paranoia is not a problem, when it's a normal response from experience.
My email is AT DOT
actual address pchuck mvps org.