I'm glad you got your data back.
You could try changing the geometry, but I doubt it'll work.
Disconnect the "good" drive to prevent mistakes.
Then write a standard MBR:
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
MBR Code > press <
Enter>.
E. Press
Y and continue.
Close TD and reboot.
TestDisk again:
In options - change "Expert mode" to "Yes".
In geometry:
Change the number of sectors per track to 63.
Change the number of heads to 255.
Close TD and reboot.