UEFI Diagnostics tool

UEFI Diagnostics tool enables you to view system information and identify hardware issues when you cannot log in to the operating system, or the computer cannot connect to the network.

To use the UEFI Diagnostics tool:
  1. Connect your computer to ac power.
  2. Turn on your computer, and press F10 immediately to enter the UEFI Diagnostics tool.
  3. Follow the on-screen instructions to run the test.
  4. Press Esc to exit the tool. Your computer will restart immediately.
  5. If any hardware failure is detected and you are unable to locate and resolve the problem, you can call Lenovo Customer Support Center. SeeCall Lenovo.
Parent topic: Diagnose and troubleshoot your computer

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