Lenovo 3418, 3398, 3397, 3399, 3414, 3396, 3416 Troubleshooting and diagnostics, Basic troubleshooting

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Chapter 10. Troubleshooting and diagnostics

This chapter describes some basic troubleshooting and diagnostic programs. If your computer problem is not described here, see Chapter 11 “Getting information, help, and service” on page 75 for additional troubleshooting resources.

Basic troubleshooting

The following table provides information to help you troubleshoot your computer problems.

Note: If you cannot correct the problem, have the computer serviced. For a list of service and support telephone numbers, refer to the Safety, Warranty, and Setup Guide that comes with your computer or go to the Lenovo Support Web site at http://www.lenovo.com/support/phone.

Symptom

Action

 

 

The computer does not start

Verify that:

when you press the power

• The power cord is correctly connected to the rear of the computer and to a

switch.

working electrical outlet.

 

 

• If your computer has a secondary power switch on the rear of the computer,

 

make sure that it is switched on.

 

• The power indicator on the front of the computer is on.

 

• The computer voltage matches the voltage available at the electrical outlet for

 

your country or region.

 

 

The monitor screen is blank.

Verify that:

 

• The monitor power cord is correctly connected to the monitor and to a working

 

electrical outlet.

 

• The monitor is turned on and the brightness and contrast controls are set

 

correctly.

 

• The computer voltage matches the voltage available at the electrical outlet for

 

your country or region.

 

 

The keyboard does not work.

Verify that:

 

• The computer is turned on.

 

• The keyboard is securely connected to a USB connector on the computer.

 

• No keys are stuck.

 

 

The mouse does not work.

Verify that:

 

• The computer is turned on.

 

• The mouse is securely connected to a USB connector on the computer.

 

• The mouse is clean. Refer to “Optical mouse” on page 53 for further information.

 

 

© Copyright Lenovo 2012

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Contents ThinkCentre Edge User Guide Third Edition September Copyright Lenovo Contents Appendix A. Notices Iii Iv ThinkCentre Edge User Guide Important safety information Service and upgradesStatic electricity prevention Extension cords and related devices Power cords and power adaptersPlugs and outlets External devicesHeat and product ventilation Operating environment Modem safety informationPower supply statement Cleaning and maintenanceLaser compliance statement ThinkCentre Edge User Guide Product overview FeaturesInput/Output I/O features System management featuresPower supply ConnectivitySecurity features Preinstalled software programsPreinstalled operating system Specifications Accessing Lenovo programs on the Windows 7 operating systemLenovo programs Program Icon name Accessing Lenovo programs from Control PanelAn introduction to Lenovo programs Accessing Lenovo programs on the Windows 8 operating systemCommunications Utility Fingerprint SoftwareLenovo Solution Center Lenovo SettingsPassword Manager Power ManagerSystem Update LocationsView Management Utility Connector Description Hdmi connector Locating connectors on the rear of your computerMachine type and model label Adjusting the computer standFollowing is a sample of the machine type and model label Frequently asked questions Using your computerAccessing Control Panel on the Windows 8 operating system Where can I find help about the Windows operating system?Using Windows shortcut keys Using the keyboardUsing the blue ThinkVantage button Using a fingerprint readerAdjusting audio Using the wheel mouseSetting the volume from the desktop Adding the volume icon to the taskbarUsing CDs and DVDs Setting the volume from Control PanelSound section, click Adjust system volume Handling and storing CD and DVD mediaUsing the single-touch and multi-touch feature Playing a CD or DVDRecording a CD or DVD Using the multi-touch feature Using the single-touch featureYou and your computer Accessibility and comfortArranging your workspace ComfortGlare and lighting Air circulationElectrical outlets and cable lengths Voltage-selection switch Register your computer with LenovoMoving your computer to another country or region Replacement power cords Security Security featuresUsing passwords Bios passwordsAttaching an integrated cable lock Windows passwords Using and understanding firewallsProtecting data against viruses ThinkCentre Edge User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Removing and reinstalling the system stand hinge coverRemoving the system stand hinge cover Removing and reinstalling the system stand Removing the system stand Removing the rubber piece from each foot stand Removing and reinstalling the foot standsReinstall the rubber piece on each foot stand Replacing the USB keyboard or mouse Replacing the wireless keyboardInstalling the keyboard batteries Replacing the wireless mouseInstalling or replacing hardware Obtaining device drivers Recovery information Recovery information for the Windows 7 operating systemCreating and using recovery media Creating recovery media Performing backup and recovery operationsUsing recovery media Performing a backup operationUsing the Rescue and Recovery workspace Performing a recovery operationClick the Restore your system from a backup icon Creating and using a rescue medium Using a rescue mediumCreating a rescue medium Reinstalling preinstalled applications and device drivers Reinstalling preinstalled applicationsReinstalling preinstalled device drivers Reinstalling software programs Reinstalling device driversSolving recovery problems Refreshing your computer Recovery information for the Windows 8 operating systemThinkCentre Edge User Guide Starting the Setup Utility program Using the Setup Utility programViewing and changing settings Password considerationsAdministrator Password Power-On PasswordSetting, changing, and deleting a password Enabling or disabling a deviceSelecting a startup device Exiting the Setup Utility programSelecting a temporary startup device Selecting or changing the startup device sequenceThinkCentre Edge User Guide Using system programs Updating flashing the Bios from a discUpdating system programs Click Downloads and drivers Updating flashing the Bios from your operating systemUsing System Update Preventing problemsKeeping your computer current Getting the latest device drivers for your computerBasics Cleaning your computerKeyboard ComputerOptical mouse Display screenCleaning a liquid crystal display LCD surface Good maintenance practicesCleaning a glass-screen surface Moving your computerPreventing problems ThinkCentre Edge User Guide Basic troubleshooting Troubleshooting and diagnosticsTroubleshooting procedure Troubleshooting Audio problemsNo audio in Windows No audio in DOS applications or games Sound comes from one external speaker onlyCD or DVD does not work CD problemsBlack screen instead of DVD video DVD problemsDVD movie will not play No audio or intermittent audio while playing DVD movieKeyboard, mouse, or pointing device problems Intermittent problemsInvalid disc or no disc found message All or some keys on the keyboard do not workPointer on the screen does not move smoothly with the mouse Mouse or pointing device does not workFingerprint reader does not work Click Hardware and Sound Click Devices and PrintersMonitor problems Wireless keyboard does not workWrong characters appear on the screen Image is discolored Image appears to be flickeringEthernet problems Networking problemsYour computer cannot connect to the network Click Start Control Panel Click Hardware and SoundWireless LAN problem Wake on LAN feature is not workingAdapter stops working for no apparent reason Wireless WAN problem Option problemsBluetooth problem An option that was just installed does not workAn option that previously worked does not work now Performance and lockup problemsInsufficient free hard disk drive space Click Start ComputerExcessive number of fragmented files Serial port problems Printer problemsSoftware problems Click OptimizeSoftware does not work as expected USB problemsLenovo Solution Center Getting information, help, and service Using the documentation and diagnostic programs Help and serviceCalling for service Lenovo Support Web sitePurchasing additional services Using other servicesThinkCentre Edge User Guide Appendix A. Notices Trademarks Export classification notice Appendix B. Regulatory informationElectronic emissions notices Federal Communications Commission Declaration of ConformityThinkCentre Edge User Guide Additional regulatory information ThinkCentre Edge User Guide Appendix C. Weee and recycling information Important Weee informationRecycling information Recycling information for Brazil Battery recycling information for TaiwanBattery recycling information for the European Union ThinkCentre Edge User Guide Ukraine RoHS China RoHS Turkish RoHSIndia RoHS Windows 7 or Windows 8 operating system Appendix E. Energy Star model informationThinkCentre Edge User Guide Bakım, onarım ve kullanımda uyulması gereken kurallar İmalatçı ya da ithalatçı firmaya ilişkin bilgilerTaşıma ve nakliye sırasında dikkat edilecek hususlar Kullanım hatalarına ilişkin bilgilerBağlantı ve montaja ilişkin bilgiler Bdh Bilişim Destek Hiz. San. Ve Tic. A.Ş Garanti Hizmetinin Alınabileceği MerkezlerDestek Bilgisayar Ve İletişim Hiz. Tic. A.Ş Bdh Bilişim Destek Hizmetleri San.Ve TicBdh Bilişim Destek Hizmetleri San.Ve Tic.Aş Bilgi Birikim Sistemleri Elktr. ve BilgYedi Yirmidört Bilişim Hizmetleri Ticaret A.S Bdh Bilişim Destek Hizmetleri San.Ve Tic. A.Ş Adapa Bilgi Sistemleri Tur.San. Ve Tic.A.ŞBdh Bilişim Destek Hizmetleri Sanayi Ve Ticaret A.Ş Bdh Bilişim Destek Hizmetleri San.Ve Tic.A.ŞŞanliurfa Index Password Administrator Considerations
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