Shorting the security chip from a Lenovo ThinkPad laptop. Press the "F10" key to save the changes and press ESC to exit the BIOS. The T480 series has been sold with 7th gen 7200u cpu etc.
The ThinkPad T480 14 business, Exceptional Value. Press F1 to enter BIOS when you power on Lenovo laptop, and then press F9 to restore CMOS to factory default settings. Download the latest BIOS update for your laptop and install it (see link under References below). On older Lenovo laptops, accessing BIOS is easily that you just need to Press certain key like F1 during startup when the computer logo is displayed. the external keyboard is not part of the sale. You need to remove the two screws that hold the keyboard. Lenovo ThinkPad USB-C Dock Generation 2 ( 40AS0090US) Sealed Retail With 90w 2 Pin AC Adapter / USA UPC = 193124916439.