Mac Partition won't open

i have macbook bought in 2008, partitioned can have windows 7 on well. i've had partitioned 8 months , reason when go boot mac side stays on white screen apple in center , doesn't go passed whatever reason.

looked around on forum before posting didn't find similar problem.

it hard drive got messed up? know how fix problem?

 

so no 1 knows?

 

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