Thank you very much for taking the time to do this! I'll have replace it soon and see if it solves the problem.

Thanks for taking your time to check!

The FRU is 26P8218 205.

Makes sense, and thanks. I have a dead T21 here as well - perhaps I can take what I need from it?

I have a T23 that will run off the battery, but not from external power. When I plug in the power cord it will start for a few seconds and then shut down, after which it won't come on again unless I remove the power cord for a second and then reattach it. I looked inside it and have noticed what app...