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2012 MacBook Pro 15” no screen on boot, no chime also


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Guest /u/Alternative-Bad-2217
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https://b.thumbs.redditmedia.com/Fom99kW7Y6VUdZiWQZynzkI2Z1h1MnEwDmtPllbZLbc.jpg
I had just turned on this computer earlier and it booted up to no screen, not even a backlit blank screen. Last night, I had left this computer on for 8 continuous hours trying to export a video that I was editing on it. This morning, it had worked perfectly fine.

I had tried - Resetting SMC - Resetting PRAM/NVRAM - Disconnecting the battery - Removing and reinserting RAM sticks

Nothing works. Funnily enough, last time it was fully operational, it was on Windows 11. I dualboot macOS 15 and W11. Any help please?

My specs: - Intel i7-3615qm - Intel HD Graphics 4000 1gb vram - Nvidia GeForce GT 650 512mb vram - 16gb DDR3 ram - 250gb x2 Samsung SSD

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