I HAVE A D505 LATITUDE, LIKE TWO WEEKS AGO I TURNED OF MY COMPUTER NORMALLY, THE NEXT DAY I TURN IT BACK ON AND ITS WENT TO SAVE MODE, SO I CHECK THE INSTRUCTION TO GET OUT I PRESSED START NORMALLY DIDN'T WORK, I PRESS LAST KNOWN CONFIGURATION AND DIDN'T WORK. HOW CAN I FIX THIS PROBLEM WITHOUT REMOVING THE HARD DRIVE TO FIX IT IN ANOTHER COMPUTER?