Contribution d'origine par : originalmachead ,
You may have liquid damage to your logic board. If it go wet with no cleaning there could be corrosion problems. ''Beware that force starting could do more damage…'' also disconnect the top case ribbon cable from the connector then: [http://www.ifixit.com/Answers/View/153088/Power+button+does+not+work.#answer153159|see this Answer.] ''If this answer is acceptable '''please remember to return and mark it'''.''