Hello
Ms.G .... Welcome to
GeeksTo
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A couple things to consider.
Did your friend reformat the entire drive? thereby wiping everything off the drive.
Did he/she install a 2nd operating system and keep the original?
So basicly....Is there 2 copies of the OS (operating system)?
A data recovery service will be very expensive.
Recuva will most likely work, but it will depend on the size of the hard drive. You will also need another drive to put the recovered data on. It has to be able to hold all that it finds.