usa este procedimiento es para la toshiba pero puede aplicar a otras marcas, revisa en el bios si trae estas opciones:
Restoring Windows 7 environment
Always change the BIOS settings to boot into CSM Boot mode when you restore the Windows 7 environment with the recovery media that you created.
CAUTION: Before starting to restore the Windows 7 environment, always read the following instructions carefully:
» Back up your data stored in your computer to an external storage device. The Windows 8 operating system and all other data stored on the Hard Disk Drive will be deleted when you restore the Windows 7 environment on your computer.
How to switch UEFI Boot mode to CSM Boot mode:
1. Press and hold the F2 key, and then turn on the computer -the BIOS setup utility will load.
2. Select Security -> Secure Boot, select Disabled.
3. Select Advanced -> System Configuration -> Boot Mode.
Change UEFI Boot to CSM Boot.
4. Press F10 to save change and exit BIOS Setup.
para accesar el disco usa el diskpart seleccionas el disco y limpias el volumen
http://www.sevenforums.com/tutorials/91339-ssd-hdd-optimize-windows-reinstallation.html