Computer Screen Problems - Lenovo 06472AU User Manual

Problem: The computer enters standby mode unexpectedly.
Solution:
1. Make sure that no object blocks the air vents of the computer.
When the processor overheats, the computer automatically enters standby mode
to cool down and to protect the processor and other internal components.
a. Allow the computer to cool.
b. Press Fn to return from standby mode.
2. If the computer still enters standby mode unexpectedly, the internal fan or other
parts may have failed. Have the computer serviced.

Computer screen problems

Problem: Incorrect characters appear on the screen.
Solution:
1. Make sure that the operating system and the application program are installed
correctly.
2. If they are installed and configured correctly, have the computer serviced.
Chapter 4. Troubleshooting
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