Bios error

Sankar-55 Posts 1 Registration date Saturday August 28, 2021 Status Member Last seen August 28, 2021 - Aug 28, 2021 at 09:28 AM
Hello, I have a Lenovo B490 laptop. It's not working. When power on the indicators is blinking but display shows blank.The bios reprogramming shortcut keys are working. How to create bios files in the pendrive?