Lenovo C205 All-In-One - Manual (Page 31)

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User Guide
Solving Problems
Follow these tips when you troubleshoot your computer:
• If you added or removed a part before the problem started, review the
installation procedures and ensure that the part is correctly installed.
• If a peripheral device does not work, ensure that the device is properly connected.
• If an error message appears on the screen, write down the exact message. This
message may help support personnel diagnose and fix the problem(s).
• If an error message occurs in a program, see the program’s documentation.
Note: The procedures in this document were written for the Windows
default view, so they may not apply if you set your Lenovo® computer to
the Windows Classic view.
5.1 Troubleshooting Display Problems
Problem: Blank screen or no image is displayed on the monitor.
Troubleshooting and problem resolution:
Check that the LCD screen has been turned on; If not, press the LCD On/Off
button to turn on the LCD.
If still cannot solve the problem, contact to Lenovo Customer Service.
Problem: You need to change display property settings.
Setting display background and icon properties:
1. Right-click the desktop anywhere except over an icon, then select Personalize
from the pop-up menu.
2. From here, select the appropriate options to:
• Change the desktop background;
• Select a screen saver;
• Select colors and appearance options for icons and characters;
• Set resolution and colors by using Display Settings options.
Problem: Ripple on screen.
Troubleshooting and problem resolution:
1. Check for devices located less than one meter from the computer such as
refrigerators, electric fans, electric dryers, UPSs, regulators, fluorescent lamps
or other computers that may be generating magnetic interference.