IBM ThinkPad T60 Notebook "ac working unit getting wet" Questions

...working and checked connection of plug to be sure it's tight but no lights on the computer at all. It has been plugged in overnight but still no lights and won't turn on.Compaq let it still for a ...

...working. Here's my logic: No response under AC power alone, so shouldn't be the battery. No response from the power button, which is part of the keyboard assy, but since it never got wet from the top ...