Lenovo H520s Desktop - Manual (Page 19)

14
User Guide
Solving Problems
Follow these tips when troubleshooting your computer:
• If you added or removed a part before the problem started, review the
installation procedures to 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.
3.1 Troubleshooting Display Problems
Problem: Blank screen or no image is displayed on the monitor.
Troubleshooting and problem resolution:
1. Check to see if the monitor has been turned on; if not, press the Power button.
2. Check to see if the monitor power cord is loose; if so, plug the power cord
securely into the monitor.
3. Check to see if the signal cable to the monitor is securely connected to the
connector on the computer graphics card; if not, shut down the computer
then connect the signal cable of the monitor securely to the connector on the
computer graphics card.
Problem: You need to change the 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 text
• Set resolution and colors in the Display Settings options