I’ve had this macbook pro 17 inch early 2011, 2.3ghz 8gb ram for 4 years now never had problem with it. now it suddenly has vertical lines guessing hardware issue? It also won’t boot up now, the screen will show the apple logo with the vertical lines displayed and loading screen loading, battery is good i’ve taken care of this laptop health said it was 80% with 820 cycle used up.
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