Error message "initializing the partition"occurs when i boot my Satellite L750.

I have a Toshiba Satellite L750. When i am booting it up, i get an error message saying "Recovery of factory Default software. Preparing initializing the partition please wait..." After a few hours, it still has the same screen.
http://www.bidanswer.com/Questions/Q...nfo_10332.html

If you have a Windows 7 dvd, setup your bios to boot from your dvd drive. Press enter key to boot from the dvd. Don't click on install now, on the lower left of that screen it should say some like Repair your computer, click on that and then click on Startup Repair.