Detect Memory Retraining (For T14 Gen 3 Intel Models Only); Reset System To Factory Defaults; Update Uefi Bios - Lenovo ThinkPad P16s Gen 1 User Manual

Detect memory retraining (for T14 Gen 3 Intel models only)

Memory retraining is a process to initialize the memory module and run diagnostic tests for the memory
module in your computer. The memory retraining might occur during POST if any of the following situations is
detected:
• Memory module replacement
• Total Memory Encryption setting change in UEFI BIOS
• UEFI BIOS update (Memory Reference Code [MRC] change)
When memory retraining occurs, the screen cannot display the progress information and 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.

Reset system to factory defaults

This feature allows you to reset the UEFI BIOS to the factory default settings, including all UEFI BIOS settings
and internal data. It helps you wipe user data in case that you want to dispose of or reuse your computer.
1. Restart the computer. When the logo screen is displayed, press F1 to enter the UEFI BIOS menu.
2. Select Security ➙ Reset System to Factory Defaults and press Enter.
3. Several warning windows might be displayed. Do the following before resetting the system to the factory
default settings:
a. Reset the Certificate-based BIOS Authentication. Refer to "Certificate based BIOS management" on
page 40.
b. Deactivate the Absolute Persistence Module.
c. Remove the NVMe password if your have set one.
4. For computer models with RAID settings, a window is displayed to remind you of data damage. Select
Yes to proceed.
5. A window is displayed to confirm all UEFI BIOS settings will be reset. Select Yes to proceed.
Note: If the Intel AMT control and Absolute Persistence(R) Module are permanently disabled, these
settings cannot be reset successfully.
6. Enter the supervisor password, system management password or power-on password in the window
prompted.
Your computer will restart immediately. It takes a few minutes to complete the initialization process. Your
computer screen might be blank during this process. This is normal and you should not interrupt it.

Update UEFI BIOS

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
instructions to download and install the latest UEFI BIOS update package.
Note: During the UEFI BIOS update process, Memory Reference Code (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 can't display the progress
and select the entry for your computer. Then, follow the on-screen
.
Chapter 5 Configure advanced settings
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