When you install a new program, device driver, or hardware component,
you might need to update UEFI BIOS.
Download and install the latest UEFI BIOS update package by one
of the following methods:
Open the Vantage app to check the available update packages.
If the latest UEFI BIOS update package is available, follow the on-screen
instructions to download and install the package.
Go to https://pcsupport.lenovo.com and select the
entry for your computer. Then, follow the on-screen instructions to
download and install the latest UEFI BIOS update package.
Note: During the UEFI BIOS update process, MRC change might cause
memory retraining. Memory retraining is a process to initialize the
memory module and run diagnostic tests for the memory module in your
computer. When memory retraining occurs, the screen might be blank.
You might see the LED indicators on Esc, F1, and F4 blinking sequentially
to indicate the progress. Do not press the power button to interrupt
the process. Wait a few minutes until the logo screen is displayed.
To know more about UEFI BIOS, visit Knowledge Base of your computer
at https://pcsupport.lenovo.com.