Macbook pro 15 mid 2012 with os x 10.8.4 taking long time to boot up
i am using macbook pro 15 mid 2012
2.6GHz intel core i7
8GB RAM
700GB hard disk
my macbook is taking much more time to start and get it ready its taking more than 1min 30sec
after system starded its hard to open any application(safari) for starting time some times while using safari the cursor is in not responding i mean doing some process its showing colour wheel rotating
please tell me how to speed up my macbook pro
MacBook Pro (15-inch Mid 2012), OS X Mountain Lion (10.8.4)