Set The System Date And Time; Update Uefi Bios; Recovery Information; Restore System Files And Settings To An Earlier Point - Lenovo ThinkPad L390 User Manual

3. Set the startup sequence as desired.
4. Press F10 to save the changes and restart the computer.
To change the startup sequence temporarily:
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.

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:
• From Lenovo Vantage:
1. Open the Start menu and click Lenovo Vantage.
2. Click System Update. In the Lenovo System Update section, click Check For Updates. The
available update packages are displayed and categorized by critical, recommended, or optional.
3. If the latest UEFI BIOS update package is available, select the package and click Install selected.
Then, the update package will be downloaded and installed automatically.
• From the Lenovo Support Web site:
Go to
https://support.lenovo.com
instructions to download and install the latest UEFI BIOS update package.

Recovery information

This section introduces the recovery information of the Windows 10 operating system. Ensure that you read
and follow the on-screen recovery instructions. The data on your computer might be deleted during the
recovery process. To avoid data loss, make a backup copy of all the data that you want to keep.

Restore system files and settings to an earlier point

1. Go to Control Panel and view by Large icons or Small icons.
2. Click Recovery ➙ Open System Restore. Then, follow the on-screen instructions.

Restore your files from a backup

Note: If you use the File History tool to restore your files from a backup, ensure that you backed up your
data earlier with the tool.
1. Go to Control Panel and view by Large icons or Small icons.
2. Click File History ➙ Restore personal files. Then, follow the on-screen instructions.

Reset your computer

In the resetting process, you can choose to keep your files or remove them when you reinstall the operating
system.
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L390, L390 Yoga, S2 4th Gen, and S2 Yoga 4th Gen User Guide
and select the entry for your computer. Then, follow the on-screen