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Which Toshiba Satellita laptop computer?
How long and you owned it? Do you have the documentation?
It was running Windows 7 at one time.
Later it tarted to miss behave - Right?
Whosoever told you to install Vista instead of Windows 7 gave you very poor advice. The recovery partition is how you reload the original OS.
Have you already looked over information from the Toshiba web site?
How to use the recovery partition is well-documented.
System Recovery and Recovery Media. Toshiba forums