Hi guys, I just took some pliers (small ones) and manually pulled the power button back out. Please note: this procedure will damage the look of the power button (i.e. the aluminium will get scratches), however helped to make it functional again. [br]
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To help the process, I used some good old WD40 oil and let it soak in for a couple minutes. I am not sure wether this was necessary, but it might be useful if you are not able to do the process just with the pliers.