Lenovo 3000 C100 All-In-One User Manual download pdf (Page 33)

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

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Lenovo 3000 C100 All-In-One User Manual Page 33