If your screen works for a moment when you turn it on (showing the Lenovo logo) but then goes black, it's likely a Windows or driver issue.
three times by turning the laptop off as soon as the logo appears.
Your laptop's LCD panel or internal cable is likely damaged. How Do I Fix Black Screen On My Lenovo Laptop
Many Lenovo models (especially ThinkPads and IdeaPads) have a tiny on the bottom or side.
To determine if the problem is your screen or the laptop's internal "brain," connect to an external monitor or TV via HDMI. If your screen works for a moment when
This triggers the screen. Select Advanced options > Startup Settings > Restart . Press F4 to enter Safe Mode.
the laptop completely by holding the power button for 10–15 seconds. Many Lenovo models (especially ThinkPads and IdeaPads) have
Your screen may blink or beep as Windows resets the display driver. If the screen comes back on, you’re good to go. 2. Perform a Hard Reset