I want to format my Acer. Windows 7 is there. I selected option- restore to factory default status. But at end it shows error"

[Jyoti213]

I have Acer aspire S3. While formatting to factory default status,it shows error.
Error is " FAIL CreateiSSSPT disk 0"
Plz help

 

[Jyoti213]

MERGED QUESTION
Question from Jyoti213 : "Error"FAIL CreateiSSSPT disk 0""

Not able to format due to above error.plz help