BIOS Updates forum

Hi, I'm new to the forum. I need some help with my acer 1362LM. I update the bios to 1.15 just to find out that it's not working. I created the crisis disk with 1.14 bios version, plugged the usb floppy, set the dip switches 1 and 2 to on. When I power on the nb nothing happens... I checked the RAM ...