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Leopard 10.5.1 Cannot Boot after install PowerManagement bundle

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After installing the PowerManagement bundle

PowerManagement bundle (with ACPI) for Leopard


my system cannot boot anymore, it stop after the grey apple screen, just showing white vertical strips on the screen.


Any suggestions on how to bring the os x back? Thanks.


My system:

Thinkpad T60p, Core2Dure, 2G mem, ATI v5250 (works under leopard).

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