Detect Memory Retraining; Set The System Date And Time; Update Uefi Bios - Lenovo ThinkPad L13 Yoga Gen 3 User Manual

1. Restart the computer. When the logo screen is displayed, press F12.
2. Select the device that you want the computer to start from and press Enter.

Detect memory retraining

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.

Set the system date and time

1. Restart the computer. When the logo screen is displayed, press F1.
2. Select Date/Time and set the system date and time as desired.
3. Press F10 to save changes and exit.

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:
• Use the fwupdmgr or software utility to check LVFS for firmware updates.
• 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
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.
To know more about UEFI BIOS, visit Knowledge Base of your computer at
28
L13 Gen 3, L13 Yoga Gen 3, S2 Gen 7, and S2 Yoga Gen 7 User Guide
and select the entry for your computer. Then, follow the on-screen
https://pcsupport.lenovo.com
.