Try this please > press and hold the power button about 5~8 seconds until the Notebook is shut down.
Press and hold the F2 button , then click the power button. DO NOT RELEASE the F2 button until the BIOS screen display.
Click "Boot" -> enter the configuration of "Boot Option #1 " -> Select the Hard Drive, hdd.
okay, what was in that list, and what was the first option listed please?
okay select (Windows Boot Manager (Pro: Hitachi HTS545050A7E380) then save and reboot.
okay, go to the save and exit, then highlight Restore defaults, then press enter, then press f10.
Okay, this sound like a problem with your hard drive.
Disconnect any external connected usb devices and then choose shutdown.
okay, try powering back on and let me know what happens please.
okay, unfortunately this sounds like the hard drive has failed.