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Lenovo 7815, 9683, 9689 Advanced settings, Exiting from the Setup Utility program, 24User Guide

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Advanced settings

Advanced settings

On some computer models the Advanced settings menu includes a setting to Enable/Disable HyperThreading. This feature works only with HyperThreading-aware operating systems, such as Microsoft Windows XP. The default setting for HyperThreading is Enabled. However, if you select Set Defaults and are using an operating system other than Windows XP, your computer performance might be degraded. Therefore, you should always set HyperThreading to Disabled unless you are sure your operating system supports HyperThreading.

Exiting from the Setup Utility program

After you finish viewing or changing settings, press Esc to return to the Setup Utility program menu (you might have to press Esc several times). If you want to save the new settings, select Save Settings or Save and exit the Setup Utility. Otherwise, your changes will not be saved.

24User Guide

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Lenovo 7815, 9683, 9689, 9684, 9685, 9682, 9690, 9687 Advanced settings, Exiting from the Setup Utility program, 24User Guide

Contents

Lenovo User Guide Page Lenovo Second Edition July Copyright Lenovo 2005, Contents ivUser Guide Introduction viUser Guide Chapter 1. Important safety information 2User Guide Glare and lighting Chapter 2. Arranging your workspaceComfort Air circulation Electrical outlets and cable lengthsChapter 3. Setting up your computer Installing the vertical stand on some modelsConnecting your computer 6User GuidevIf the voltage supply range in your local country or region is 200–240V ac, set the switch to 230 PHONE LINE 8User GuidePHONE LINE 7.If you have powered speakers with an ac adapter 1 USB Completing important tasks Turning on computer powerFinishing the software installation Installing other operating systems Updating your operating systemUpdating your antivirus software Shutting down the computerFeatures System informationMicroprocessor MemorySystem management features Input/output featuresPower Security featuresPreinstalled software Operating systems, preinstalled varies by modelSpecifications DimensionsWeight EnvironmentWidth: 331 mm 13.03 in Height: 105 mm 4.13 in 18User Guide Rescue and Recovery System UpdateChapter 4. Software overview Software provided by Lenovo20User Guide Chapter 5. Using 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 3.Select Security Profile by Device24User Guide Advanced settingsExiting from the Setup Utility program Chapter 6. Updating system programs Using system programsUpdating flashing BIOS from a CD-ROMor diskette Updating flashing BIOS from your operating system b.Click Continue c.Click Downloads and driversChapter 7. Troubleshooting and diagnostics Basic troubleshootingDiagnostic programs Creating a diagnostic CD image Creating diagnostic diskettesPC-Doctorfor Windows PC-Doctorfor DOSRunning diagnostics from the CD or diskettes Cleaning the mouse PC-Doctorfor Windows PEOptical mouse Non-opticalmouse1.Turn off your computer Chapter 8. Recovering software Creating and using the Product Recovery discPerforming backup and recovery operations Using the Rescue and Recovery workspace Notes NotesCreating and using rescue media Creating and using a Recovery Repair disketteTo create rescue media, do the following To use rescue media, do one of the followingRecovering or installing device drivers Setting a rescue device in the startup sequence Solving recovery problems40User Guide Chapter 9. Getting information, help, and service Information resourcesOnline Books folder Lenovo CareHelp and service Access HelpSafety and Warranty Using the documentation and diagnostic programs Calling for serviceUsing other services Purchasing additional servicesAppendix A. Manual modem commands Basic AT commandsCommand Extended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 1 commands Fax Class 2 commandsVoice commands PTT Art. Bakom 93.0291.Z.N Attention Switzerland UserTelekom PTT SCR-BE Taximpulssperrfilter-12kHz 52User Guide Appendix B. Notices Lenovo United States, Inc1009 Think Place - Building One Morrisville, NC U.S.A Attention: Lenovo Director of LicensingTelevision output notice TrademarksIndex A Page Page 58User Guide Page Part Number: 43C3103 Printed in USA 1P P/N: 43C3103