Lenovo IdeaCentre A520 All-in-One Manual de usuario descargar pdf (Pagina 33)

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Helpdocumentofthisprogram.

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 Lenovo Customer Service.

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Windowscoloroptionsforbordersandtaskbar

• Selectathemes

3. Right-click the desktop anywhere except over an icon, then select Screen

resolution from the pop-up menu to change the appearance.

Problem: Ripple on screen.

Troubleshooting and problem resolution:

1. Check to see if any of the following devices are located less than one meter

from the computer: refrigerators, electric fans, electric dryers, UPS systems,

regulators, ﬂuorescent lamps or other computers that may be generating

magnetic interference.

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Lenovo IdeaCentre A520 All-in-One Manual de usuario Pagina 33