Lenovo 9189, 9136, 9127, 9134, 9129, 9158, 9157 Air circulation, Electrical outlets and cable lengths

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Where it is impossible to avoid reflections or to adjust the lighting, an antiglare filter placed over the screen might be helpful. However, these filters might affect the clarity of the image on the screen; try them only after you have exhausted other methods of reducing glare.

Dust buildup compounds problems associated with glare. Remember to clean your monitor screen periodically using a soft cloth moistened with a nonabrasive liquid glass cleaner.

Air circulation

Your computer and monitor produce heat. The computer has a fan that pulls in fresh air and forces out hot air. The monitor lets hot air escape through vents. Blocking the air vents can cause overheating, which might result in a malfunction or damage. Place the computer and monitor so that nothing blocks the air vents; usually, 51 mm (2 in.) of air space is sufficient. Also, make sure the vented air is not blowing on someone else.

Electrical outlets and cable lengths

The location of electrical outlets, the length of power cords and cables that connect to the monitor, printer, and other devices might determine the final placement of your computer.

When arranging your workspace:

vAvoid the use of extension cords. When possible, plug the computer power cord directly into an electrical outlet.

vKeep power cords and cables neatly routed away from walkways and other areas where they might get kicked accidentally.

For more information about power cords, refer to the Safety and Warranty Guide that was provided with your computer.

4User Guide

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Contents ThinkCentre User Guide Page ThinkCentre User Guide Page Contents Iv User Guide Introduction Vi User Guide Important safety information User Guide Arranging your workspace ComfortGlare and lighting Air circulation Electrical outlets and cable lengthsSetting up your computer Installing the vertical standConnecting your computer Setting up your computer Phone Line Setting up your computer 1394 Turning on computer power Finishing the software installationCompleting important tasks Installing other operating systems FeaturesUpdating your operating system Updating your antivirus softwareMicroprocessor Expansion Specifications EnvironmentHeight 108 mm 4.25 Width 331 mm 13.03 Depth 412 mm 16.22 Software overview Software provided with your Windows operating systemSoftware provided by Lenovo PC Doctor for Winpe and PC Doctor for Windows Adobe Acrobat ReaderUsing the Setup Utility Starting the Setup Utility programViewing and changing settings Using passwordsUser Password Administrator PasswordSetting, changing, and deleting a password Using Security Profile by DeviceSelecting a startup device Selecting a temporary startup deviceSelecting or changing the startup device sequence Exiting from the Setup Utility program Using system programs Updating flashing Bios from a CD-ROM or disketteUpdating system programs Updating flashing Bios from your operating system Click Continue Click Downloads and driversTroubleshooting and diagnostics Basic troubleshootingDiagnostic programs PC-Doctor for Windows PC-Doctor for DOSRunning diagnostics from the CD or diskettes Cleaning the mouse PC-Doctor for Windows PEOptical mouse Non-optical mouse1 Retainer ring 2 Ball 3 Plastic rollers 4 Ball cage Recovering software Creating and using the Product Recovery discPerforming 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 followingRecovering or installing device drivers Setting a rescue device in the startup sequence Solving recovery problemsUser Guide Getting information, help, and service Information resourcesOnline Books folder ThinkVantage Productivity CenterAccess Help Safety and WarrantyHelp and service Using the documentation and diagnostic programs Calling for serviceUsing other services Purchasing additional servicesAppendix A. Manual modem commands Basic AT commandsLow speaker volume Extended AT commands Enable RTS/CTS hardware flow controlMNP/V.42/V.42bis/V.44 commands +MS=?Fax Class 1 commands Fax Class 2 commandsVoice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Television output notice TrademarksIndex Page Page User Guide Page Part Number 43C4865
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