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Partition with 10.4.11 will not boot

I have a Power Book G4 12" 1.33hGz 320gig 1.2g ram w/2 partitions. Partitions 1 w/ [os 10.5.8] & partitions 2 w/ [os 10.4.11]. Boots just fine from partitions 1 but will not boot from partitions 2 w/OS 10.4.11. It just spins w/grey screen and grey apple.

I have reset PRAM.

I have reset PMU.

Any suggestions for what to do next?

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Can you select the the 10.4 from system preferences? Have you EVER been able to boot from this second partition?


Yes I have been booting up to both partitions for some time by using startup disc in preferences or the option key during start up.


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Boot up from 10.5, go to Applications > Utilities > use the Disk Utility and repair the 10.4 partition

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Thanks did that, no change. So i reinstalled the system & it's working now. Any suggested maintenance so this might not happen again?


Stay off the internet or get Norton Anti-Virus. Use Time Machine on the 10.5 to back up both drives onto an external.


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