Broadcom Ethernet Network Adapter Disappeared

[jd2020]

Sometime in the past few weeks, all traces of my Broadcom Gigabit Ethernet adapter have vanished. I cannot find/install the device in Device Manager, Network Connections does not show it, nor does Access Connections. When i plug in my ethernet cable on green light goes on. Now I'm stuck with just wireless connections.

I've tried to install the IBM/Lenovo Broadcom drivers manually, with no change.

Anyone have any help?

This problem is on my T43 listed below.

[jd2020]

No ideas out there in the thinkpads.com community?

Today, IBM suggested replacing the system board. When I got home and rebooted twice, the adapter appeared mysteriously! As happy as I am, this does not inspire confidence!

Now should I send it in or just chance it? Very strange.