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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 devices Heat and product ventilation Plugs and outletsExternal devices Modem safety information Operating environment Laser compliance statement Power supply statementCleaning and maintenance Viii ThinkCentre User Guide Features Product overview System management features Color temperature adjustmentInput/Output I/O features Power supply Preinstalled software programs Preinstalled operating system Software provided by Lenovo SpecificationsSoftware overview Product Recovery ThinkVantage Password ManagerLenovo ThinkVantage Tools Lenovo Welcome Adobe Reader Antivirus software Locations Front connector, control, and indicator locations Locating connectors on the rear of your computer Rear connector locations Adjusting the computer stand Connector Description Machine type and model label Machine type and model label ThinkCentre User Guide Using your computer Frequently asked questionsUsing the keyboard Using Windows shortcut keys Using the blue ThinkVantage button Using a fingerprint readerUsing the wheel mouse Adjusting audio Setting the volume from the desktop Setting the volume from Control PanelUsing CDs and DVDs Adding the volume icon to the taskbar Recording 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 feature Selecting a pre-defined color temperature Switching to RGB adjustmentMaking brightness adjustment Red-adjustment Green-adjustment Blue-adjustment Exit Using your computer ThinkCentre User Guide Accessibility and comfort You and your computerArranging your workspace Comfort Electrical 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 region ThinkCentre User Guide Security features Security Attaching an integrated cable lock Using passwordsBios passwords Windows passwords Setting the fingerprint readerUsing and understanding firewalls Protecting data against viruses ThinkCentre User Guide Installing external options Installing or replacing hardwareInstalling or replacing hardware Replacing the wireless keyboard Replacing the wireless mouse Opening the battery compartment Closing the battery compartment cover Obtaining device drivers Creating 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 Password Enabling or disabling a device Selecting a startup deviceSelecting a temporary startup device Selecting or changing the startup device sequence Exiting 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 drivers Preventing problems Using System UpdateKeeping your computer current Getting the latest device drivers for your computer Basics Cleaning your computer ComputerKeyboard Optical mouse Moving your computer Good maintenance practicesCleaning a glass-screen surface Troubleshooting and diagnostics Basic troubleshooting Troubleshooting procedure Troubleshooting Audio problems No audio in Windows No 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 message All 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 work Image 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 reason Bluetooth 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 now Performance and lockup problems Click Disk CleanupInsufficient free hard disk drive space Click Start Computer Excessive number of fragmented files Printer problemsSerial port problems Software problems Software does not work as expected USB problems Diagnostic programs Creating a diagnostic disc Running the diagnostic program from a diagnostic discLenovo ThinkVantage Toolbox PC-Doctor for DOS Getting information, help, and service Help and service Using the documentation and diagnostic programsCalling for service Lenovo Support Web site Using other services Purchasing additional services ThinkCentre User Guide Appendix A. Notices Trademarks Appendix B. Regulatory information Export classification noticeTelevision output notice Electronic emissions notices Industry 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