You'd best post the model number (found on the underside, near the hinge) - you can't just swap out Apple motherboards and expect everything to work, in my expe

You'd best post the model number (found on the underside, near the hinge) - you can't just swap out Apple motherboards and expect everything to work, in my experience. If the data's urgently required, you can probably grab a cheap [PS]ATA-to-usb adaptor and mount the volume on another machine running osx (or linux). Good luck...