Macbook pro with slow boot up

i have macbook pro 15 inch , 1:30 minutes or 2 boot up. when bought mbp, had snow leopard on it, downloaded lion immediately. installation failed first time, after second time worked. have done fresh install of lion , deleted programs have space, none of these things worked.
know problem may be?

 

pieter claessen said: ↑

i have macbook pro 15 inch , 1:30 minutes or 2 boot up. when bought mbp, had snow leopard on it, downloaded lion immediately. installation failed first time, after second time worked. have done fresh install of lion , deleted programs have space, none of these things worked.
know problem may be?

click expand...

first fix permissions in disk utility verify disk repair disk if doesn't make faster reinstall lion having same problem after reinstall faster snow leopard!!!!

 

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