Lenovo A7 manual Solving Problems, Troubleshooting Display Problems

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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.

6.1 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

56User Guide

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Contents Lenovo Important Safety Information 31043530B IdeaCentre A7 UG V1.0ENR.indd 2010-4-28 Contents Defragmenting the Disks Troubleshooting Problems with Optical Drives and Hard DisksThis chapter contains the following topics Chapter Using the Computer HardwareFront view Power buttonOnly some models are equipped with touch screen Left and right view of the computer Rear view of the computer Computer stand instruction 12˚ 35˚Vesa bracket adapter spec VESA100, 100mm x 100mm, M4 bolts User Guide Install the metal bracket on the computer Connecting your computerUser Guide If you have powered speakers with an adapter If you have powered speakers without an adapter SD, SDHC, MMC, MS, MS-Pro Important information about using the computer Hold the computer tightly when you carry it LVT Wireless keyboard and mouseOnly some models are equipped with IR remote control Using the Infra-red IR Remote ControlUser Guide Power supply standby Turns volume up/downPrevious/next channel MuteTurn on/off/switch to games Turn on/off the air mouse Using the Bluetooth remote controlInstall the batteries as indicated below Bluetooth configurationTurn on/off the telephone Turn on the Windows Media Center Press Play and digit 1 at the same time for about 10 seconds To start the games Bluetooth audio configurationAir mouse User Guide Important information on how to use the remote control Suggested range Meters 3 -10 feet User Guide User Guide Remote control to renew the Bluetooth connection User Guide Chapter Touch Screen Instructions User Gesture Instructions for the Touch screen Touch Screen CalibrationBasic Hand Gestures User Guide Double Finger Right Click About 5 FP Zoom Operation Related Touch Screen Settings User Guide User Guide User Guide User Guide Chapter Using the Rescue System Driver and Application Installation OneKey RecoveryMethod 1 Automatic Installation System SetupMethod 2 Manual Installation Network SettingsSystem Recovery System BackupCreate Recovery Disc Password Management Computer software instructions Chapter Using the Computer SoftwareLenovo Dynamic Brightness system Before using this software, do the followingTo use this software, do the following Lenovo Eye Distance SystemUser Guide  Daily Maintenance and Tools Instructions System Maintenance RecoveryCleaning Up the Disk Backup and RestoreRestoring the System Performing Daily Maintenance Tasks Checking For, and Correcting Disk Errors Cleaning the computer components Defragmenting the DisksUser Guide  Troubleshooting and Problem Resolution Chapter Troubleshooting Confirming SetupTroubleshooting Display Problems Solving ProblemsFollow these tips when you troubleshoot your computer Troubleshooting Software Problems Troubleshooting Audio ProblemsTroubleshooting Problems with Optical Drives and Hard Disks Special considerations for troubleshooting Windows Method Wireless keyboard and mouse instructionsMethod User Guide
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