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Model Number A1707. Released June 2017, this MacBook Pro features Kaby Lake processors up to the 2.8 GHz quad-core Intel Core i7 processor with Turbo Boost up to 3.8 GHz.

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Bootloop after Install Mojave, cannot Recovery or anything

Hello and I ask for help,

MBP 15” touchbar 2017, in normal use with Sierra, update to 10.14.6, after a week normal use and when to sleep, it turn off and got in to bootloop, I even tried do something but cant help:

- Bootloop at normal startup or auto turn off at process startup bar.

- Bootloop at recovery mode, internet recovery, shift mode (or auto turn off)

- Same as Mojave usb installer

- Same as Time machine backup from external drive.

- Sierra usb installer show as Folder and emty logo when chose, then turn off.

- Catallia usb installer show “You compurter restart because of a problem…” with many language.

- Use D, it runs fast (i dont think it took 3mins, just about 10–15secs) and show that No problem.

- Use CMD+S, as this picture, I think there something happened with system drive.

- Reset vram, pram… no help

Block Image

Hope for help.

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Bu iyi bir soru mu?

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Did you buy this as a new system or was it bought used?

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@danj I bought it 3 years ago as new with Sierra OS installed.

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It sounds like the logic board has failed. I was thinking this was a bricked system as it does appear the logic board has been iCloud locked.

Best to get your system to an Apple Store for them to fix this.

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Seem it must be serious!

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timestamp indicate it need to reset the clock appropriately, if you are able to go to the BIOS (f1, f10) and reset the time zone, it may resolve the problem, it is recommended that you find someone who can help you using the BIOS configuration. That is a sensitive area of the computer, needs an experienced IT.

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Thank you for your infomation, let me check it out

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As I researched, macbook doesnt have BIOS, right?

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