Here's a blog entry from someone who also has a V6000 who gave up trying to
get the internal wireless card; installing a external adapter. However,
Ndiswrapper is also reported to work on the built-in card.
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uncle-sean.com/.../continuing-adventures-in-third-party-computing-\
04-22-07/

A 3rd option would be to replace the internal mini-pci wireless card with
another one that is well supported on Linux.

Wireless and ACPI support (Power Management) seem to be the most troubling
on Linux.

There is also a Debian bug report logged concerning lock-ups when the
screen goes to sleep (goes black). I have also seen this problem with
Feisty on an older Dell CPx laptop.