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The aluminum PowerBook G4 was released by Apple to replace the previous titanium-body model. The 12" and 17" versions debutted in January 2003 with the 15" version following in September of that year.

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"mac-boot", "shut-down"? what to do

when i open my mac, it keeps saying "mac-boot" or "shut-down". i type mac-boot, it does its thing, shuts down. i open it again, it says the same thing, "mac-boot". this happened only after i opened my battery to check the airport card cause my mac said the airport card wasn't installed

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It looks like it's booting in to openfirmware by default. Try resetting the PRAM. When you turn it on, hold "Command+Option+P+R" (All 4 Keys At Once) right after it makes the startup noise, and keep holding them until you hear it again.

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thanks it worked :)

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it did not work for me

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You might try asking your own question as your problem and solution may be different.

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elise wird auf ewig dankbar sein.
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