Use RFID reader (for selected models of T490)

Depending on the models, your computer might come with an integrated dual-band RFID (Radio Frequency Identification) reader. RFID is a wireless communication technology that uses electromagnetic fields to automatically identify and track the tag or card. For a single sign-on and RFID-enabled app, you can sign in to the app using a granted RFID tag or card.

To use the RFID feature:
  1. Enter the UEFI BIOS menu. See Enter the UEFI BIOS menu. Then, Select Security > I/O Port Access > RFID to enable the RFID feature.

  2. Place an RFID tag or card above the area a to transfer data from the tag or card to your computer. For optimal transmission, keep the area a free from obstructions.