Admin desktops & Laptops Support Joined Dec 2, 2017 Messages 31,038 Feb 7, 2018 Thread Author #1 LENOVO A540 A740 ALL-IN-ONE Bios LA-B031P Rev 0.1 Schematics Attachments Schematic_A740 A540 LA-B031P r0.1.pdf Schematic_A740 A540 LA-B031P r0.1.pdf 3.4 MB · Views: 4 Bios_A540 All-in-One - O14KT15A.rar Bios_A540 All-in-One - O14KT15A.rar 3.8 MB · Views: 2