1. insert flash drive 2. power on 3. press f1 (setup menu) 4. select startup 5. uefi/legasy boot [legesy only] 6. press f10 7. restart - press f10 8. select boot menu (usb flash drive) 9. press enter 10. run bat file
yes , i'm my first nick (THINGOL) was catched , therefore i used second nick (MATIZKO). simply I was confused those that the laptop Lenovo Essential B590 isn't ThinkPad ..or not ? I wanted to specify casually not to kill someone else's laptop .