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Lenovo 1741 Updating flashing the Bios from your operating system, Click Downloads and drivers

Models: 1677 1938 1741 1664 1739 1665 1762 1761 1782 1942 1837 1738 1962 1654 1763

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Updating (flashing) the BIOS from your operating system

Note: Because Lenovo makes constant improvements to its Web sites, the Web page contents are subject to change without notice, including the contents referenced in the following procedure.

To update (flash) the BIOS from your operating system, do the following:

1.Go to http://www.lenovo.com/support.

2.Do the following to locate the downloadable files for your machine type:

a.In the Enter a product number field, type your machine type and click Go.

b.Click Downloads and drivers.

c.Select BIOS from the Refine results drop-down list box to easily locate all the BIOS related links.

d.Click the BIOS update link.

3.Click the TXT file that contains the instructions for updating (flashing) the BIOS from your operating system.

4.Print these instructions. This is very important because these instructions will not be displayed on the screen after the download begins.

5.Follow the printed instructions to download, extract, and install the update.

46ThinkCentre User Guide

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Lenovo 1741, 1938, 1962, 1942, 1837, 1782 Updating flashing the Bios from your operating system, Click Downloads and drivers

Contents

ThinkCentre User Guide Second Edition October Copyright Lenovo Contents Appendix A. Notices Static electricity prevention Important safety informationService and upgrades Power cords and power adapters Extension cords and related devicesHeat and product ventilation Plugs and outletsExternal devices Modem safety information Operating environmentLaser compliance statement Power supply statementCleaning and maintenance Viii ThinkCentre User Guide Features Product overviewSystem management features Color temperature adjustmentInput/Output I/O features Power supplyPreinstalled software programs Preinstalled operating systemSoftware provided by Lenovo SpecificationsSoftware overview Product Recovery ThinkVantage Password ManagerLenovo ThinkVantage Tools Lenovo WelcomeAdobe Reader Antivirus software Locations Front connector, control, and indicator locations Locating connectors on the rear of your computer Rear connector locationsAdjusting the computer stand Connector DescriptionMachine type and model label Machine type and model labelThinkCentre User Guide Using your computer Frequently asked questionsUsing the keyboard Using Windows shortcut keysUsing the blue ThinkVantage button Using a fingerprint readerUsing the wheel mouse Adjusting audioSetting the volume from the desktop Setting the volume from Control PanelUsing CDs and DVDs Adding the volume icon to the taskbarRecording a CD or DVD Handling and storing CD and DVD mediaPlaying a CD or DVD Using the single-touch and multi-touch feature Color temperature adjustmentUsing the single-touch feature Using the multi-touch featureSelecting a pre-defined color temperature Switching to RGB adjustmentMaking brightness adjustment Red-adjustment Green-adjustment Blue-adjustment ExitUsing your computer ThinkCentre User Guide Accessibility and comfort You and your computerArranging your workspace ComfortElectrical outlets and cable lengths Glare and lightingAir circulation Voltage-selection switch Replacement power cordsRegister your computer with Lenovo Moving your computer to another country or regionThinkCentre User Guide Security features SecurityAttaching an integrated cable lock Using passwordsBios passwords Windows passwords Setting the fingerprint readerUsing and understanding firewalls Protecting data against virusesThinkCentre User Guide Installing external options Installing or replacing hardwareInstalling or replacing hardware Replacing the wireless keyboard Replacing the wireless mouseOpening the battery compartment Closing the battery compartment cover Obtaining device driversCreating recovery media Recovery informationCreating and using recovery media Performing a backup operation Using recovery mediaPerforming backup and recovery operations Click the Restore your system from a backup icon Performing a recovery operationUsing the Rescue and Recovery workspace Creating a rescue medium Creating and using a rescue mediumUsing a rescue medium Reinstalling preinstalled device drivers Reinstalling preinstalled applications and device driversReinstalling preinstalled applications Solving recovery problems Reinstalling software programsReinstalling device drivers Recovery information ThinkCentre User Guide Viewing and changing settings Using the Setup Utility programStarting the Setup Utility program Password considerations Power-On PasswordAdministrator Password Hard Disk PasswordEnabling or disabling a device Selecting a startup deviceSelecting a temporary startup device Selecting or changing the startup device sequenceExiting from the Setup Utility program Updating system programs Using system programsUpdating flashing the Bios from a disc Updating flashing the Bios from your operating system Click Downloads and driversPreventing problems Using System UpdateKeeping your computer current Getting the latest device drivers for your computerBasics Cleaning your computer ComputerKeyboard Optical mouseMoving your computer Good maintenance practicesCleaning a glass-screen surface Troubleshooting and diagnostics Basic troubleshootingTroubleshooting procedure TroubleshootingAudio problems No audio in WindowsNo audio in DOS applications or games CD problemsSound comes from one external speaker only Black screen instead of DVD video DVD problemsCD or DVD does not work DVD movie will not play No audio or intermittent audio while playing DVD moviePlayback is very slow or choppy Invalid disc or no disc found messageAll or some keys on the keyboard do not work Intermittent problemsKeyboard, mouse, or pointing device problems Wireless keyboard does not work Mouse or pointing device does not workPointer on the screen does not move smoothly with the mouse Fingerprint reader does not workImage appears to be flickering Monitor problemsWrong characters appear on the screen Image is discolored Networking problemsEthernet problems Wake on LAN feature is not working Your computer cannot connect to the networkClick Start Control Panel Click Hardware and Sound Adapter stops working for no apparent reasonBluetooth problems Wireless LAN problemWireless WAN problem Option problems An option that was just installed does not workSound does not come from the Bluetooth headphone An option that previously worked does not work nowPerformance and lockup problems Click Disk CleanupInsufficient free hard disk drive space Click Start ComputerExcessive number of fragmented files Printer problemsSerial port problems Software problems Software does not work as expectedUSB problems Diagnostic programsCreating a diagnostic disc Running the diagnostic program from a diagnostic discLenovo ThinkVantage Toolbox PC-Doctor for DOSGetting information, help, and service Help and service Using the documentation and diagnostic programsCalling for service Lenovo Support Web siteUsing other services Purchasing additional servicesThinkCentre User Guide Appendix A. Notices Trademarks Appendix B. Regulatory information Export classification noticeTelevision output notice Electronic emissions noticesIndustry Canada Class B emission compliance statement Additional regulatory information ThinkCentre User Guide Recycling information Appendix C. Weee and recycling informationImportant information for the European Directive 2002/96/EC ThinkCentre User Guide Index Optical mouse cleaning Password Administrator Considerations Page 0B03427