How to find serial numbers - PC - Lenovo Support IN
Ako sa prihlásiť do systému BIOS na prenosnom počítači Lenovo
Resetting Lenovo BIOS Settings | Surftec Ltd
How to update the Machine Type and Model (MTM), System Serial Number (SN), or System Brand ID of system BIOS menu – ThinkCentre, ThinkStation - Lenovo Support US