Download this file https://drive.google.com/file/d/1Wo7cS8y... Extraxt Format usb key using fat32 Put file into key Follow these steps: (1) Battery Out (2) AC out (3) Press power button for 10sec and release (4) Insert USB KEY (5) Press and hold FN + ESC (6) AC cord in (7) Press Power and release (8) When FAN is running at High Speed release FN+ESC. (9) Wait till machine reboots or FAN stops running. Thank me Later.