Lenovo 21F60099CA User Manual page 58

Question
Where can I get the latest device
drivers and UEFI BIOS?
What do I do if the LCD goes
black when I turn on the
computer?
52
ThinkPad T14s Gen 4 User Guide
Solution
• From the Vantage app. See "Install a Windows operating system and drivers"
on page 43 and "Update UEFI BIOS" on page 42.
• Download from Lenovo Support Web site at
To run LCD Self-Test:
1. Ensure that the computer is connected to the ac power adapter.
2. Press the power button for about seven seconds to turn off the computer.
3. Press Fn, left Ctrl, and the power button at the same time. If the computer
displays five solid colors in sequence across the entire screen, it indicates
that the LCD functions normally.
4. The test lasts for about 20 seconds and then exits automatically. You also
can press the power button to exit the test.
https://pcsupport.lenovo.com
.