Can't turn ON with power button, but it works otherwiseSome facts: - I am still able to turn my Mac ON (details below, may be helpful for someone) - It does not react anyhow to pow...
Answer to: Can't turn ON with power button, but it works otherwiseProblem located and fixed. Microscope with 20x magnification helped me again. There was 1 Kohm resistor next to topcase flexcable socket which was lose. The resistor was connection between power button and transistor on the logic board which actually turns it ON. I resoldered the resistor and connection is OK.
Answer to: Dim Display for ever - Mabook Early 2008I suppose you tried such things like resetting SMC, PRAM? One more thing which can be causing this apart things you mentioned is display itself, respectively dead CFL in the display (suppose that Macbook does not have LED backlight yet). But according my experience CFL usually does not die instantly but it starts to blink at first.