Mac OS X Lion boots very slowly takes 2 minutes to start Leopard was good used to start in second but Lion is taking too much time to start it takes 2-3 minutes to start.

Is it problem with my MBP or anyone experience this before? Please guide help.
Try a...
PRAM Reset

Shut down the computer.
Press and hold the ⌘+⌥+P+R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.

Why could this help? -&gt;
Information stored in PRAM includes the startup volume choice.