I tried all the above for my early 2011 MBP, 15” which encountered the same issue- power on, black screen, and no chime. Ultimately, the thing that, did the magic was powered on holding down shift+fn+control/alt+command. Thanks to Raza for putting this solution in the forum, you saved my MBP!
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I tried all the above for my early 2011 MBP, 15” which encountered the same issue- power on, black screen, and no chime. Ultimately, the thing that did the magic was powered on holding down shift+fn+option +control/alt+command. Thanks to Raza computers for suggesting this solution in the forum, you saved my MBP!
I tried all the above for my early 2011 MBP, 15” which encountered the same issue- power on, black screen, and no chime. Ultimately, the thing that, did the magic was powered on holding down shift+fn+control/alt+command. Thanks to Raza for putting this solution in the forum, you saved my MBP!