Non-optical mouse | Lenovo 3000 J Series instruction

b.If there is some 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.

Non-optical mouse

The non-optical mouse uses a ball to navigate the pointer. If the pointer on the screen does not move smoothly with the mouse, you might need to clean the mouse. Use the following procedure to clean the non-optical mouse:

Note: The following illustration might be slightly different from your mouse.

1 Retainer ring 2 Ball

3 Plastic rollers 4 Ball cage

To clean a mouse with a ball, follow the instructions below:

1.Turn off your computer.

2.Disconnect the mouse cable from the computer.

3.Turn the mouse upside down. Twist the retainer ring 1 to the unlocked position to remove the ball.

4.Place your hand over the retainer ring and ball 2, and then turn the mouse right-side up, so that the retainer ring and ball fall out into your hand.

5.Wash the ball in warm, soapy water then dry it with a clean cloth.

6.Blow air carefully into the ball cage 4 to dislodge dust and lint.

58User Guide

Image 76

Lenovo 3000 J Series manual Non-optical mouse

Contents

User Guide Lenovo 3000 J Series Page Lenovo 3000 J Series Page Contents Getting information, help Important safety information Conditions that require immediate action General safety guidelines Service and upgrades Power cords and power adapters Static electricity prevention Viii User Guide Extension cords and related devices Voltage-selection switchPlugs and outlets Batteries External devicesHeat and product ventilation Operating environment Lithium battery notice Electrical current safety informationTo connect To disconnect Modem safety information Laser compliance statement Power supply statement Data safetyCleaning and maintenance Additional safety information Introduction Xvi User Guide Comfort Arranging your workspaceGlare and lighting Air circulation Electrical outlets and cable lengths Setting up your computer Connecting your computer User Guide Setting up your computer User Guide 1394 User Guide Finishing the software installation Turning on powerCompleting important tasks Installing other operating systems Updating your operating systemUpdating your antivirus software Shutting down the computer Installing options Features Memory Input/output features Available options Tools required SpecificationsHandling static-sensitive devices Installing external options Locating the connectors on the front of your computer Locating the connectors on the rear of your computer Connector Description Obtaining device drivers Removing the cover Locating components Identifying parts on the system board User Guide Installing options Installing memory What to do next Installing adapters Secure the adapter with the screw as shown Installing internal drives Drive specifications User Guide Installing a drive User Guide Installing options Connecting the first CD drive or DVD drive Installing security features Connecting a serial ATA hard disk drive Changing the battery Password protectionPadlock loop Installing options Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables User Guide Recovering software Creating and using the Product Recovery disc Performing backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media Creating and using a Recovery Repair diskette To create rescue media, do the following Recovering or installing device drivers Setting a rescue device in the startup sequence Solving recovery problems User Guide Using the Setup Utility Starting the Setup Utility programViewing and changing settings Using passwords Password considerations User PasswordAdministrator Password Setting, changing, and deleting a password Selecting a startup device Using Security Profile by DeviceSelecting a temporary startup device Exiting from the Setup Utility program Advanced settingsChanging the startup device sequence Updating flashing Bios from a diskette Using system programsUpdating system programs User Guide Basic troubleshooting Troubleshooting and diagnosticsSymptom Action Diagnostic programs PC-Doctor for Windows PC-Doctor for DOS Creating diagnostic diskettes PC-Doctor for Windows PE Cleaning the mouseOptical mouse Non-optical mouse Troubleshooting and diagnostics User Guide Getting information, help, and service Information resourcesOnline Books folder Lenovo Care Access Help Warranty and safety Using the documentation and diagnostic programs Help and serviceCalling for service Using other services Purchasing additional services Appendix A. Manual modem commands Basic AT commands Low speaker volume Set Pulse dial as defaultSet Tone Dial as default Internal speaker on until carrier detected Extended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 1 commands Fax Class 2 commands Voice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Television output notice Trademarks Index 14, 22, 23 Page Part Number