Univex 1782, 1962 DVD movie will not play, No audio or intermittent audio while playing DVD movie

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Actions:

•Restart the DVD player program.

•Close any open files, turn off the computer, and then restart the computer.

•Try a lower screen resolution or color depth.

If these actions do not correct the problem, run the diagnostic programs (see “Diagnostic programs” on page 69 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 73.

DVD movie will not play

Symptom: DVD movie will not play.

Actions:

•Make sure that the disc surface is clean and not scratched.

•Check the disc or package for regional coding. You might need to purchase a disc with coding for the region where you are using your computer.

If these actions do not correct the problem, run the diagnostic programs (see “Diagnostic programs” on page 69 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 73.

No audio or intermittent audio while playing DVD movie

Symptom: No audio or intermittent audio while playing DVD movie.

Actions:

•Check the volume control settings on your computer and on your speakers.

•Make sure that the disc surface is clean and not scratched.

•Check all cable connections to and from the speakers.

•Use the DVD menu for the video to select a different audio track.

If these actions do not correct the problem, run the diagnostic programs (see “Diagnostic programs” on page 69 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 73.

Playback is very slow or choppy

Symptom: Playback is very slow or choppy.

Actions:

•Disable any background programs, such as AntiVirus or Desktop Themes.

•Ensure that video resolution is set to less than 1152 x 864.

If these actions do not correct the problem, run the diagnostic programs (see “Diagnostic programs” on page 69 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 73.

Invalid disc or no disc found message

Symptom: Invalid disc or no disc found message

Actions:

58ThinkCentre User Guide

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Contents ThinkCentre User Guide Fourth Edition June Copyright Lenovo 2011 Contents Appendix A. Notices Appendix E. Energy Star model information Index Iv ThinkCentre User Guide 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 ThinkCentre User Guide Features Product overviewInput/Output I/O features System management featuresColor temperature adjustment Power supplyPreinstalled software programs Preinstalled operating systemSoftware overview SpecificationsSoftware provided by Lenovo Lenovo Welcome Lenovo Solution CenterLenovo ThinkVantage Tools Fingerprint SoftwareThinkVantage Power Manager Product RecoveryThinkVantage Password Manager ThinkVantage Rescue and RecoveryLocations ThinkVantage System UpdateAdobe Reader Antivirus software Communication UtilityFront 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 the keyboard Using your computerFrequently asked questions Using Windows shortcut keysAdjusting audio Using a fingerprint readerUsing the wheel mouse About your computer audioUsing CDs and DVDs Setting the volume from the desktopSetting the volume from Control Panel Adding the volume icon to the taskbarPlaying a CD or DVD Using the single-touch and multi-touch featureRecording a CD or DVD Using the single-touch feature Color temperature adjustmentSelecting a pre-defined color temperature Using the multi-touch featureMaking brightness adjustment Switching to RGB adjustmentRed-adjustment Green-adjustment Blue-adjustment Exit Using your computer ThinkCentre User Guide Arranging your workspace Accessibility and comfortYou and your computer ComfortAir circulation Glare and lightingElectrical outlets and cable lengths Register your computer with Lenovo Voltage-selection switchReplacement power cords Moving your computer to another country or regionThinkCentre User Guide Security features SecurityBios passwords Using passwordsAttaching an integrated cable lock Using and understanding firewalls Windows passwordsSetting the fingerprint reader Protecting data against virusesThinkCentre User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Replacing the USB keyboard or mouse Removing the monitor standReplacing the wireless keyboard Connecting the USB keyboard or mouseReplacing the wireless mouse Opening the battery compartment Obtaining device drivers Creating 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 Administrator Password Password considerationsPower-On Password Hard Disk PasswordSelecting a temporary startup device Enabling or disabling a deviceSelecting a 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 driversKeeping your computer current Preventing problemsUsing System Update Getting the latest device drivers for your computerBasics Keyboard Cleaning your computerComputer 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 Playback is very slow or choppy DVD movie will not playNo audio or intermittent audio while playing DVD movie Invalid disc or no disc found messageKeyboard, mouse, or pointing device problems Intermittent problemsAll or some keys on the keyboard do not work Pointer on the screen does not move smoothly with the mouse Wireless keyboard does not workMouse or pointing device does not work Fingerprint reader does not workWrong characters appear on the screen Monitor problemsImage appears to be flickering Ethernet problems Networking problemsImage is discolored Click Start Control Panel Click Hardware and Sound Wake on LAN feature is not workingYour computer cannot connect to the network Adapter stops working for no apparent reasonWireless WAN problem Wireless LAN problemBluetooth problems Sound does not come from the Bluetooth headphone Option problemsAn option that was just installed does not work An option that previously worked does not work nowInsufficient free hard disk drive space Performance and lockup problemsClick Disk Cleanup Click Start ComputerSerial port problems Printer problemsExcessive number of fragmented files Software problems Software does not work as expectedUSB problems Diagnostic programsLenovo ThinkVantage Toolbox Lenovo Solution CenterCreating a diagnostic disc PC-Doctor for DOSRunning the diagnostic program from a diagnostic disc ThinkCentre User Guide Getting information, help, and service Calling for service Help and serviceUsing the documentation and diagnostic program Lenovo Support Web siteUsing other services Purchasing additional servicesThinkCentre User Guide Appendix A. Notices Trademarks Television output notice Appendix B. Regulatory informationExport classification notice Electronic emissions noticesIndustry Canada Class B emission compliance statement Additional regulatory information ThinkCentre User Guide Important Weee Information Appendix C. Weee and recycling informationRecycling information Battery recycling information for Taiwan Recycling information for BrazilBattery recycling information for the European Union ThinkCentre User Guide China RoHS Turkish RoHS Ukraine RoHSIndia RoHS Appendix E. Energy Star model information Windows 7 operating systemThinkCentre User Guide Index Setting, changing, deleting Page 1P0B03427