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[SOLVED] Probook 450 G5 | BIOS update issue


acquarius.13

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Seems to be a well known issue among the newer CoffeeLake Desktops, guess some laptops too in your case.

Found this in the OpenCore guide

AWAC system clock.

This applies to all 300 series motherboards including many Z370 boards, the specific issue is that newer boards ship with AWAC clock enabled. This is a problem because macOS cannot communicate with AWAC clocks, so this requires us to either force on the legacy RTC clock or if unavailable create a fake one for macOS to play with.

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