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Lenovo 3557, 3034, 6667, 5092, 5226, 4394, 3853, 3692, 3467, 3356, 3307, 3142 Cleaning an optical mouse

Models: 3244 3131 3257 3142 3307 3356 3467 3557 3692 3853 4394 5226 5092 6667 3034

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3.Follow the instructions on the screen to select the diagnostic test you want to run. Note: For additional help, press the F1 key.

4.Remove the diagnostic disc from the optical drive when you complete the diagnostic process.

Cleaning an optical mouse

This section provides instructions on how to clean an optical mouse.

An optical mouse uses a light-emitting diode (LED) and an optical sensor to navigate the pointer. If the pointer on the screen does not move smoothly with the optical mouse, you might need to clean the mouse.

To clean an optical mouse, do the following:

1.Turn off your computer.

2.Disconnect the mouse cable from the computer.

3.Turn the mouse upside down to check the lens.

a.If there is a smudge on the lens, gently clean the area with a plain cotton-tipped swab.

b.If there is debris in the lens, gently blow the debris away from the area.

4.Check the surface on which you are using the mouse. If you have a very intricate picture or pattern beneath the mouse, it may be difficult for the digital signal processor (DSP) to determine changes in the mouse position.

5.Reconnect the mouse cable to the computer.

6.Turn your computer back on.

44ThinkCentre User Guide

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Lenovo 3557, 3034, 6667, 5092, 5226, 4394, 3853, 3692, 3467, 3356, 3307, 3142, 3257, 3131, 3244 manual Cleaning an optical mouse

Contents

ThinkCentre User Guide Page ThinkCentre User Guide First Edition October Copyright Lenovo Contents Appendix A. Notices IndexImportant safety information viii ThinkCentre User Guide Features Chapter 1. Product overviewSystem management features System informationInput/Output I/O features Power SupplySecurity features ExpansionPreinstalled software programs SpecificationsPreinstalled operating system Software provided by Lenovo Software overviewLenovo ThinkVantage Tools ThinkVantage Rescue and Recovery ThinkVantage Client Security SolutionPassword Manager Power ManagerLocations Locating connectors on the front of your computer PC-Doctor for Rescue and RecoveryAdobe Reader Antivirus softwareLocating connectors on the rear of your computer Figure 2. Rear connector locationsConnector DescriptionLocating components ConnectorDescription Figure 3. Component locationsLocating parts on the system board Figure 4. System board part locations10 ThinkCentre User Guide Chapter 2. Installing or replacing hardware Installing or replacing hardwareInstalling external options Handling static-sensitive devicesRemoving and reinstalling the front bezel Opening the computer coverInstalling or replacing a memory module Figure 6. Removing the front bezelReplacing the hard disk drive What to do nextFigure 10. Installing the hard disk drive into the bracket Figure 9. Removing the hard disk driveReplacing the optical drive Figure 12. Installing the retainer on the optical driveWhat to do next Figure 11. Removing the optical driveFigure 13. Installing the optical drive Replacing the batteryWhat to do next Figure 14. Removing the old battery Replacing the heat sinkFigure 15. Installing a new battery What to do next Replacing the internal speakerFigure 16. Removing the heat sink What to do next Replacing the front audio and USB assemblyFigure 17. Removing the internal speaker Figure 18. Removing the front audio and USB assembly Replacing the ac power adapterWhat to do next Figure 19. Connecting the ac power adapter Replacing the ac power adapter bracketWhat to do next 5. Slide the ac power adapter out of the bracket Figure 20. Removing the ac power adapter bracketFigure 21. Installing the ac power adapter into the new bracket Figure 22. Installing the new ac power adapter bracketWhat to do next 24 ThinkCentre User GuideCompleting the parts replacement Replacing the keyboard or mouseFigure 23. Connecting a new keyboard or mouse What to do nextIntegrated cable lock Installing security featuresObtaining device drivers Erasing lost or forgotten passwords clearing CMOS Password protectionFigure 25. Integrated cable lock 28 ThinkCentre User Guide Creating and using recovery media Chapter 3. Recovery informationCreating recovery media Performing backup and recovery operations Using recovery mediaPerforming a backup operation Performing a recovery operation Using the Rescue and Recovery workspace3. Click the Restore your system from a backup icon 3. Click the Restore your system from a backup iconCreating a rescue medium Creating and using a rescue medium32 ThinkCentre User Guide Using a rescue medium Installing or reinstalling device driversSolving recovery problems Chapter 4. Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Using passwordsPower-On Password Administrator PasswordHard Disk Password Setting, changing, and deleting a passwordExiting from the Setup Utility program Selecting a startup deviceSelecting a temporary startup device Selecting or changing the startup device sequence38 ThinkCentre User Guide Updating flashing the BIOS from a disc Using system programsChapter 5. Updating system programs Recovering from a POST/BIOS update failure Updating flashing the BIOS from your operating systemb. Click Downloads and drivers Chapter 6. Troubleshooting and diagnostics Basic troubleshootingLenovo ThinkVantage Toolbox Diagnostic programs42 ThinkCentre User Guide PC-Doctor for Rescue and Recovery Creating a diagnostic discRunning the diagnostic program from a diagnostic disc PC-Doctor for DOSCleaning an optical mouse Chapter 7. Getting information, help, and service Information resourcesOnline Books folder Lenovo ThinkVantage ToolsAccess Help Safety and WarrantyLenovo Welcome Productivity CenterUsing the documentation and diagnostic programs Help and serviceCalling for service Using other services Purchasing additional servicesLenovo United States, Inc 1009 Think Place - Building One Appendix A. NoticesMorrisville, NC U.S.A Attention Lenovo Director of Licensing Television output notice European conformance CE mark TrademarksIndex Power-On Password Advanced Configuration and Power Interface ACPIworkspace, Rescue and Recovery softwarePage 54 ThinkCentre User Guide Page 71Y7204