mardi 20 janvier 2015

My macbook pro boots but screen is off until I close it wait a few seconds and open it


My macbook pro started having a strange behaviour. I ear the boot chim but nothing displays on screen. I know it boots. The only way to get image is, after letting it boot, close the screen, wait a few seconds, and open it again. And there it is... image again! What can this be?





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