Lenovo V145-14AST User Manual page 31

The screen is blank.
„
Do the following:
• If you are using the ac power adapter or the battery pack, and the battery
status indicator shows that the battery is not depleted, press F12 to make
the screen brighter.
• If the system status indicator is blinking, press the power button to resume
from sleep mode.
• If the problem persists, follow the solution in the next problem "The screen
is unreadable or distorted."
The screen is unreadable or distorted.
„
Make sure that:
• The screen resolution and color quality are correctly set.
• The monitor type is correct.
Incorrect characters appear on the screen.
„
Are the operating system or programs installed correctly? If they are
installed and configured correctly, have the computer serviced.
Chapter 4. Troubleshooting
25