3. Update UEFI/BIOS - Lenovo
Link: https://download.lenovo.com/pccbbs/pubs/y540_15ich_irh_17irh/html_en/en/update_bios.html
Description: WEBWhen you install a new program, device driver, or hardware component, you might need to update UEFI/BIOS. Download and install the latest UEFI/BIOS update …
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