If you want to recover your original bios, then download it from lenovo page. After executing it will say that you already have never version, dont close the window. Start->Run and type %temp% then Temporary filder will appear and you should see some folder named like 7zS5330.tmp copy it to the Desktop, open file platform.ini and search for RESSEN and change it to RESSDIS. Then you will be able to flash back original bios. About repairing your laptop you can try to reinstall OS via One Key Recovery...