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I changed the motherboard (The other one was not working) but after the change and all the components correctly connected (Except battery, im still waiting for the replacement to arrive) fan spins, but only shows a black screen, no apple logo, no backlight issue, only black screen.
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Aim a flashlight thru the lids Apple logo, it should offer enough light to see a dim desktop and its icons. Does that work?
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I flashed a light in the apple logo, but still wont show any boot menu options or login screen
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Do you hear the boot chime?
par Jadon
Unfortunately it doesn have speakers, so i cant hear if the boot chimes
par Mitigations
@mitigations - Have you tried connecting an external display to the Mac?
par Jadon
It wont connect to external sources
par Mitigations
@mitigations - Unfortunately this is tough. Since there is no way to test the Mac via external devices, there is no easy way to figure out what the problem exactly is.
So, either your display, or your Logic Board is broken.
par Jadon
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