Hi guys! I´m having trouble with a Macbook that was dropped to the floor, and the screen went off, it boots and it shows display with an external monitor. I changed the LCD first and it shows white screen with very thin color vertical lines, so i changed the LVDS cable, same result. What else can it be? Thanks in advance!
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It could be the parts you replaced it with are bad. It could be the logic board has failed. Before going and buying other parts, try doing the SMC and PRAM resets on the MacBook. Sometimes when you change out parts you have to do the resets.
https://support.apple.com/en-us/HT201295
https://support.apple.com/en-us/HT204063
Good job on trying it with an external monitor though. A lot of people leave that step out. I honestly don't think it's a logic board since it's working on an external.
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