Welcome to TSF.
Can you see the drive in Disk management?
(Right click "My computer" > choose "Manage" > Disk Management)
If so, please do this:
Download the Windows version of
TestDisk.
Unzip the downloaded file to your C: drive.
Open
C:\testdisk-6.9\win > double click the "
testdisk_win" icon.
The program runs in a command window and doesn't have to be installed.
Each of the steps (A, B, C etc) below corresponds to a new TestDisk window.
Use the keyboard's arrow keys to navigate.
A. At the first window, select
No Log and press the <
Enter> key.
B. Select which drive to analyse, choose
Proceed and <
Enter>.
C. Select partition type Intel if its a PC then <
Enter>.
D. Choose
Advanced > press <
Enter>.
E. Choose
Boot > press <
Enter>.
New screen - please post back with a screenshot.
How to post a screenshot.