You must enter the BIOS settings of the target machine, disable Secure Boot , and ensure the boot mode is set to UEFI or Both .

If you are a DIY enthusiast who has replaced their own board, you may find the tool on specialized hardware forums or through Lenovo’s enterprise support channels. Always ensure you are downloading the latest version compatible with your specific generation of CPU (e.g., Tiger Lake, Alder Lake, or newer).

Restart the laptop and tap F12 to select the USB drive. Entering Data: Select Option 1: Set System Identification .

The remains a vital piece of software for ensuring that repaired Lenovo hardware functions exactly like a factory-new unit. By correctly "tattooing" the motherboard with its original identity, you ensure that your warranty, drivers, and security features remain intact.

The Lenovo U1 Tool is on the standard Lenovo Support website for end-users. It is distributed through the Lenovo Support Portal for Partners and Authorized Service Providers.

The Lenovo U1 Tool is a proprietary maintenance utility that allows users to write or "tattoo" vital system information onto a computer’s BIOS/UEFI. This information is crucial for software licensing, warranty tracking, and system identification. Key data points managed by the tool include:

Identifies the device as a "ThinkPad," "IdeaPad," or "Lenovo" brand. When is the "New" U1 Tool Required?