Lenovo 1962, 1938, 1942, 1837, 1782, 1739, 1762 Software problems, Software does not work as expected

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Symptom: Serial port cannot be accessed.

Actions:

•Make sure the serial cable is securely connected to the serial port on the computer and to the serial device. If the serial device has its own power cord, make sure it is attached to a properly grounded electrical outlet.

•If the serial device has its own On/Off switch, make sure it is in the On position.

•If the serial device has an Online switch, make sure it is in the Online position.

•If the serial device is a printer, make sure paper is loaded correctly.

•Verify that any software supplied with the serial device is correctly installed. Refer to the documentation for the serial-device option.

•Make sure that the serial-port adapter, if you added one, is properly installed and firmly seated.

If these actions do not correct the problem, run the diagnostic programs (see “Diagnostic programs” on page 67 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 69.

Software problems

Select your symptom from the following list:

•“When using a sort feature, dates do not sort in the correct order” on page 66

•“Software does not work as expected” on page 66

When using a sort feature, dates do not sort in the correct order

Symptom: When using a sort feature, dates do not sort in the correct order.

Action: Some software developed before the year 2000 used only the last two digits of a year to sort dates, always assuming the first two digits were 19. Consequently, these programs sort dates out of order. Check with your software manufacturer to see if any updates are available. Many software manufacturers make updates available from the World Wide Web.

Software does not work as expected

Symptom: Software does not work as expected.

Actions:

•Most software programs have built-in help systems that provide instructions for most tasks. If you are having difficulty performing a specific task within a software program, refer to the help system for that program. Help systems are typically accessible from a menu or button in the program, and frequently from the F1 key.

•If you are having difficulty with the Windows operating system or one of its components, refer to the Windows help system. It is accessible from the Windows Start menu.

•To determine if problems are caused by newly installed software, verify that:

–Your computer has the minimum memory requirements needed to use the software. See the information supplied with the software to verify memory requirements. (If you just installed an adapter or memory, you might have a memory-address conflict.)

–The software is designed to operate on your computer.

–Other software works on your computer.

–The software you are using works correctly on another computer.

66ThinkCentre User Guide

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Contents ThinkCentre User Guide Second Edition October Copyright Lenovo Contents Appendix A. Notices Service and upgrades Important safety informationStatic electricity prevention Power cords and power adapters Extension cords and related devicesExternal devices Plugs and outletsHeat and product ventilation Modem safety information Operating environmentCleaning and maintenance Power supply statementLaser compliance statement Viii ThinkCentre User Guide Features Product overviewSystem management features Color temperature adjustmentInput/Output I/O features Power supplyPreinstalled software programs Preinstalled operating systemSoftware overview SpecificationsSoftware provided by Lenovo 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 taskbarPlaying a CD or DVD Handling and storing CD and DVD mediaRecording 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 ComfortAir circulation Glare and lightingElectrical outlets and cable lengths Voltage-selection switch Replacement power cordsRegister your computer with Lenovo Moving your computer to another country or regionThinkCentre User Guide Security features SecurityBios passwords Using passwordsAttaching an integrated cable lock Windows passwords Setting the fingerprint readerUsing and understanding firewalls Protecting data against virusesThinkCentre User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Replacing the wireless keyboard Replacing the wireless mouseOpening the battery compartment Closing the battery compartment cover Obtaining device driversCreating and using recovery media Recovery informationCreating recovery media Performing backup and recovery operations Using recovery mediaPerforming a backup operation Using the Rescue and Recovery workspace Performing a recovery operationClick the Restore your system from a backup icon Using a rescue medium Creating and using a rescue mediumCreating a rescue medium Reinstalling preinstalled applications Reinstalling preinstalled applications and device driversReinstalling preinstalled device drivers Reinstalling device drivers Reinstalling software programsSolving recovery problems Recovery information ThinkCentre User Guide Starting the Setup Utility program Using the Setup Utility programViewing and changing settings 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 flashing the Bios from a disc Using system programsUpdating system programs 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 mouseCleaning a glass-screen surface Good maintenance practicesMoving your computer Troubleshooting and diagnostics Basic troubleshootingTroubleshooting procedure TroubleshootingAudio problems No audio in WindowsSound comes from one external speaker only CD problemsNo audio in DOS applications or games CD or DVD does not work DVD problemsBlack screen instead of DVD video 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 messageKeyboard, mouse, or pointing device problems Intermittent problemsAll or some keys on the keyboard do not work 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 workWrong characters appear on the screen Monitor problemsImage appears to be flickering Ethernet problems Networking problemsImage is discolored 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 reasonWireless WAN problem Wireless LAN problemBluetooth problems 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 ComputerSerial port problems Printer problemsExcessive number of fragmented files 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 Important information for the European Directive 2002/96/EC Appendix C. Weee and recycling informationRecycling information ThinkCentre User Guide Index Optical mouse cleaning Password Administrator Considerations Page 0B03427
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