1 Won’t boot after removing logic board.
After removing the internal components and cleaning the keyboard due to boredom in this lockdown my mid 2012 MacBook Pro 500GB hd won’t boot back up after putting everything back together. The start up chimes and the cd drive start with the fan running normally but that’s it. Nothing on the screen, no backlight, no keyboard light. Seems to be charging normally. Tried an external display and still nothing. Tried a smc and nvram reset and still nothing. Won’t boot up in safe mode. I’m at a complete loss. Have I damaged the hardware somewhere? If anybody has any sort of helpful information it will be highly appreciated!
TIA
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Do you see anything on the internal display?
Review this for guidance If your Mac doesn't start up all the way
por Dan
No there is nothing on the screen at all. I’ve tried all of the troubleshooting guide that apply to my problem on the Apple website.
por Sam connick