at first, get the experimental test firmware for your exact drive (should be something like MV9N) and see, if you could flash back with that firmware.
If you were successful, then get a patched stock firmware for your drive - check the firmware thread for that. And finally get recent original firmware MS0R from Liteon website.
If that fails: Congrats, you have a new doorstop or coffee cup holder. This is the price for not reading the instructions and warnings carefully. Sorry to say that.