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Ursprünglicher Beitrag von: Dan Lipnitskiy ,


I cant believe PRAM reset worked …

Mine stopped working on a very new laptop. I am confident no crumbs or dust was a factor.  Turned upside down tapped around no joy.  Blowing did not work, paper did not do anything. After few days, decided to give a try to PRAM reset and that worked :) Makes no sense to me but started working right after the reset,  give it a try before putting WD40 on it.

PRAM reset plug in power and shut off.  HOLD Command + Option + P + R, while holding press power few times and you’ll hear a chime.