Lenovo 3426 Good maintenance practices, Moving your computer, Cleaning a glass-screen surface

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Cleaning a liquid crystal display (LCD) surface

To clean an LCD surface, do the following:

1.Gently wipe the display surface with a dry, soft lint-free cloth.

2.If you see any stain, grease, or finger marks, wipe the display surface with a lightly damp cloth and a little mild detergent.

3.Wring out as much of the liquid as you can.

4.Wipe the display surface again. Do not let any liquid drip into the computer.

5.Before using the display, ensure that the display screen is dry.

Cleaning a glass-screen surface

To clean a glass-screen surface, do the following:

1.Wipe the screen surface gently with a dry, soft lint-free cloth, or blow on the screen to remove grit and other loose particles.

2.Moisten a soft cloth with a nonabrasive liquid glass cleaner.

3.Wring out as much of the liquid as you can.

4.Wipe the screen surface again. Do not let any liquid drip into the computer.

5.Before using the display, ensure that the display screen is dry.

Good maintenance practices

By performing a few good maintenance practices, you can maintain good computer performance, protect your data, and be prepared in case of a computer failure.

Empty your recycle bin on a regular basis.

Run the Windows Disk Defragmenter program occasionally to prevent performance problems caused by an excessive number of fragmented files.

Clean out your Inbox, Sent Items, and Deleted Items folders in your e-mail application on a regular basis.

Make backup copies of critical data on removable media memory at regular intervals and store the removable media in a safe location. The frequency of making backup copies depends on how critical the data is to you or your business. Lenovo makes a number of removable-media storage devices available as options, such as CD-RW drives and recordable DVD drives.

Back up your entire hard disk drive on a regular basis.

Keep your computer software up-to-date. See “Keeping your computer current ” on page 51 for more information.

Keep a log book. Entries might include major software or hardware changes, device-driver updates, intermittent problems and what you did to resolve them, and any minor issues you might have experienced. A log book can help you or a Lenovo technician determine if a problem is related to change in hardware, change in software, or some other action that might have taken place.

Create Product Recovery discs. See “Creating and using recovery media” on page 37 for more information about using Product Recovery discs to restore the hard disk drive to the factory default settings.

Create rescue media. See “Creating and using a rescue medium” on page 40 for more information about using a Rescue medium such as a CD or DVD to recover from failures that prevent you from gaining access to the Windows environment or the Rescue and Recovery workspace on your hard disk drive.

Moving your computer

Take the following precautions before moving your computer.

54ThinkCentre Edge User Guide

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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 Power cords and power adapters Extension cords and related devicesPlugs and outlets External devicesHeat and product ventilation Modem safety information Operating environmentPower supply statement Cleaning and maintenanceLaser compliance statement ThinkCentre Edge User Guide Features Product overviewPower supply System management featuresInput/Output I/O features ConnectivitySecurity features Preinstalled software programsPreinstalled operating system Specifications Accessing Lenovo programs on the Windows 7 operating systemLenovo programs Accessing Lenovo programs from Control Panel Program Icon nameCommunications Utility Accessing Lenovo programs on the Windows 8 operating systemAn introduction to Lenovo programs Fingerprint SoftwarePassword Manager Lenovo SettingsLenovo Solution Center Power ManagerSystem Update LocationsView Management Utility Connector Description Locating connectors on the rear of your computer Hdmi connectorAdjusting the computer stand Machine type and model labelFollowing is a sample of the machine type and model label Accessing Control Panel on the Windows 8 operating system Using your computerFrequently asked questions Where can I find help about the Windows operating system?Using the blue ThinkVantage button Using the keyboardUsing Windows shortcut keys Using a fingerprint readerSetting the volume from the desktop Using the wheel mouseAdjusting audio Adding the volume icon to the taskbarSound section, click Adjust system volume Setting the volume from Control PanelUsing CDs and DVDs 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 single-touch feature Using the multi-touch featureArranging your workspace Accessibility and comfortYou and your computer 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 features SecurityUsing passwords Bios passwordsAttaching an integrated cable lock Windows passwords Using and understanding firewallsProtecting data against viruses ThinkCentre Edge User Guide Installing external options Installing or replacing hardwareInstalling or replacing hardware Removing and reinstalling the system stand hinge coverRemoving the system stand hinge cover Removing and reinstalling the system stand Removing the system stand Removing and reinstalling the foot stands Removing the rubber piece from each foot standReinstall the rubber piece on each foot stand Replacing the wireless keyboard Replacing the USB keyboard or mouseReplacing the wireless mouse Installing the keyboard batteriesInstalling or replacing hardware Obtaining device drivers Recovery information Recovery information for the Windows 7 operating systemCreating and using recovery media Using recovery media Performing backup and recovery operationsCreating 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 Recovery information for the Windows 8 operating system Refreshing your computerThinkCentre Edge User Guide Viewing and changing settings Using the Setup Utility programStarting the Setup Utility program Password considerationsSetting, changing, and deleting a password Power-On PasswordAdministrator Password Enabling or disabling a deviceSelecting a temporary startup device Exiting the Setup Utility programSelecting a startup device Selecting or changing the startup device sequenceThinkCentre Edge User Guide Using system programs Updating flashing the Bios from a discUpdating system programs Updating flashing the Bios from your operating system Click Downloads and driversKeeping your computer current Preventing problemsUsing System Update Getting the latest device drivers for your computerCleaning your computer BasicsOptical mouse ComputerKeyboard Display screenCleaning a glass-screen surface Good maintenance practicesCleaning a liquid crystal display LCD surface Moving your computerPreventing problems ThinkCentre Edge User Guide Troubleshooting and diagnostics Basic troubleshootingTroubleshooting procedure Troubleshooting Audio problemsNo audio in Windows Sound comes from one external speaker only No audio in DOS applications or gamesCD problems CD or DVD does not workDVD movie will not play DVD problemsBlack screen instead of DVD video No audio or intermittent audio while playing DVD movieInvalid disc or no disc found message Intermittent problemsKeyboard, mouse, or pointing device problems All or some keys on the keyboard do not workFingerprint reader does not work Mouse or pointing device does not workPointer on the screen does not move smoothly with the mouse Click Hardware and Sound Click Devices and PrintersMonitor problems Wireless keyboard does not workWrong characters appear on the screen Image appears to be flickering Image is discoloredYour computer cannot connect to the network Networking problemsEthernet problems Click Start Control Panel Click Hardware and SoundWireless LAN problem Wake on LAN feature is not workingAdapter stops working for no apparent reason Bluetooth problem Option problemsWireless WAN problem An option that was just installed does not workInsufficient free hard disk drive space Performance and lockup problemsAn option that previously worked does not work now Click Start ComputerExcessive number of fragmented files Software problems Printer problemsSerial port problems Click OptimizeUSB problems Software does not work as expectedLenovo Solution Center Getting information, help, and service Calling for service Help and serviceUsing the documentation and diagnostic programs Lenovo Support Web siteUsing other services Purchasing additional servicesThinkCentre Edge User Guide Appendix A. Notices Trademarks Electronic emissions notices Appendix B. Regulatory informationExport classification notice 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 Battery recycling information for Taiwan Recycling information for BrazilBattery recycling information for the European Union ThinkCentre Edge User Guide China RoHS Turkish RoHS Ukraine RoHSIndia RoHS Appendix E. Energy Star model information Windows 7 or Windows 8 operating systemThinkCentre Edge User Guide Taşıma ve nakliye sırasında dikkat edilecek hususlar İmalatçı ya da ithalatçı firmaya ilişkin bilgilerBakım, onarım ve kullanımda uyulması gereken kurallar Kullanım hatalarına ilişkin bilgilerBağlantı ve montaja ilişkin bilgiler Destek Bilgisayar Ve İletişim Hiz. Tic. A.Ş Garanti Hizmetinin Alınabileceği MerkezlerBdh Bilişim Destek Hiz. San. Ve 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 Sanayi Ve Ticaret A.Ş Adapa Bilgi Sistemleri Tur.San. Ve Tic.A.ŞBdh Bilişim Destek Hizmetleri San.Ve Tic. A.Ş Bdh Bilişim Destek Hizmetleri San.Ve Tic.A.ŞŞanliurfa Index Password Administrator Considerations