On 17/02/2011 22:35, D Yuniskis wrote:

Since this is such a common remedy for ThinkPads,
I started wondering what the actual *reason* (cause)
behind it might be.


Try here

http://forums.lenovo.com/t5/T61-and-prior-T-series-ThinkPad/T23-won-t-power-up-with-good-battery/m-p/230682

and also the thinkpads forum.

http://forum.thinkpads.com/viewtopic.php?f=28&t=87401

Some good speculation & answers given

Which prompted a web search for a schematic (so I
can see what *might* be going on when this happens).
Of course, no luck on that score...

I have a schematic for the similar T23 I could mail you.

--
Adrian C