![]() However later during one of reboots, the laptop beeped and probably installed the firmware. ![]() At first, the CD did not do anything during booting but I forgot it in the DVD drive. It always gets stuck at white screen after the loading bar reached certain level, no matter what booting method we tried – safe mode, recovery, recovery from the Internet.Īfter few days of several attempts, I had a bad idea of downgrading firmware by using the Firmware Restoration CD 1.9 which was probably not intended to be used with the particular model. I upgraded it to macOS High Sierra and I sold it to a friend of mine, who returned it back after few weeks because it stopped booting. I have an Early 2011 MacBook Pro (A1286).
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June 2023
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