Errr... wait a moment!
When pulling the structure frame and mainboard, there's a (tiny) dead spider inside
And then dirt...
... and more dirt...
... and more dirt ...
and the spider again. Oh, wait! That corpse is below the transparent plastic cover
Not nice how this T60p was treated. Luckily I had a clean T61 base cover in the basement. Also the replacement board worked perfectly and then I installed a WUXGA T61p screen I had lying around. So it was a happy end and my 5th WUXGA Thinkpad
Here is she, still not complete since I need a clean palmrest and keyboard:





