Toshiba 100cs ユーザーズマニュアル

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Recovering an internal storage drive to its out-of-box state deletes all 
partitions on the drive and all information stored in those partitions. 
Be sure to save your work to external media before executing the 
recovery. For more information, see 

During the recovery process it is strongly recommended that your 
computer be connected to an external power source via the AC 
adaptor.

You can recover the original factory image (returning the computer 
to its out-of-box state) using the utilities stored on your computer’s 
internal storage drive or using recovery DVDs/media, if you have 
created such media. To recover using the first method, follow the 
procedure below. To recover using the second method, see 

To recover the original factory image using the utilities on your 
computer’s internal storage drive:

Make sure the computer is turned off.

While powering on your computer, press the 

F12

 key when the 

initial TOSHIBA screen displays.

The boot menu appears.

Using the arrow keys to scroll down, select the HDD Recovery 
option, and then press the 

ENTER

 key.

If your system offers a choice of Windows

®

 7 32-bit or 64-bit 

operating system, select one at this time. If not, skip to step 5.