Can't locate startup disk while in system recovery

I have a MacBook Pro-version OS X Lion 10.7.  The problem I have is that I moved the HD drive on to the dashboard--for some reason I thought it would be more convenient.  The next time I turned it on a folder with a ? appeared.  I've restarted the Mac while holding down command   R and the option key. This is a work computer that I received only a week ago, so sadly I never got to back it up with Time Machine.  When the four options come up (time machine, reinstall OSX, help online, and disk utility) I'm limited to help online, which gives me no option of a disk to store it on.  My question is if there is anyway to locate my disk drives through Terminal or can I open up the Mac and remove and reinstall the hard drive to reset my settings? Could I also use a blank cd/DVD to install OS X on to?  Thanks.

Open Disk Utility in Applications/Utilities.
Does Disk Utility see the drive? In order to reinstall OS X, you have to be able to see the drive in Disk Utility.
Options to try...
Hold down the Option key and restart. This should bring up a list of drives. If you see the Macintosh HD (default name) hold down the Shift key and select the drive. This would boot you in Safe Boot mode.
Another option would be to try resetting PRAM
1.
Shut down your Mac.
2.
Locate the following keys on the keyboard: Command (⌘), Option, P, and R. You will need to hold these keys down simultaneously in step 4.
3.
Turn on the computer.
4.
Press and hold the Command-Option-P-R keys before the gray screen appears.
5.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
6.
Release the keys.

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