Hello i have macbook which slow boots and then freeze sometime take 30mins for mac to boot.changed hdd also reinstall mac osx same problem.but winxp works faster.
Updated firmware. But same issue where should i look into.
Thanks

Try reinstalling/changing the operating memory (RAM). It could solve the problem.
Also check hdd cable

http://support.apple.com/kb/DL1312

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Скажи спасибо тому, кто откажет тебе в помощи-благодаря ему ты справишься сам.

Hdd cable okay when go in safe boot work fast.can it be firmware issue

Hello today solved the problem was with firewire chip the osc was sluggish changed 15pf cap in osc circuit now work fast and bootin okay
Thanks