Manuals / Univex / Computer Equipment / Personal Computer

Univex 1739, 1962, 1966, 1942, 1837, 1782X01, 1741, 1762, 1738, 1654, 1761, 1763 Using your computer

Models: 1763 1782X01 1664 1782 1739 1762 1942 1938 1761 1738 1677 1962 1654 1837 1741 1665 1966

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3.Press the brightness-down button to decrease the brightness level, or press the brightness-up button to increase the brightness level.

4.Wait for five seconds to exit.

Chapter 2. Using your computer 19

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Univex 1739, 1962, 1966, 1942, 1837, 1782X01, 1741, 1762, 1738, 1654, 1761, 1763, 1664, 1665, 1938, 1677 manual Using your computer

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 Extension cords and related devices Power cords and power adapters External devices Plugs and outletsHeat and product ventilation Operating environment Modem safety information Cleaning and maintenance Power supply statementLaser compliance statement ThinkCentre User Guide Product overview Features Power supply System management featuresColor temperature adjustment Input/Output I/O features Preinstalled operating system Preinstalled software programs Software overview SpecificationsSoftware provided by Lenovo Fingerprint Software Lenovo Solution CenterLenovo ThinkVantage Tools Lenovo Welcome ThinkVantage Rescue and Recovery Product RecoveryThinkVantage Password Manager ThinkVantage Power Manager Communication Utility ThinkVantage System UpdateAdobe Reader Antivirus software Locations Front connector, control, and indicator locations Rear connector locations Locating connectors on the rear of your computer Connector Description Adjusting the computer stand Machine type and model label Machine type and model label ThinkCentre User Guide Using Windows shortcut keys Using your computerFrequently asked questions Using the keyboard About your computer audio Using a fingerprint readerUsing the wheel mouse Adjusting audio Adding the volume icon to the taskbar Setting the volume from the desktopSetting the volume from Control Panel Using CDs and DVDs Playing a CD or DVD Using the single-touch and multi-touch featureRecording a CD or DVD Using the multi-touch feature Color temperature adjustmentSelecting a pre-defined color temperature Using the single-touch feature Making brightness adjustment Switching to RGB adjustmentRed-adjustment Green-adjustment Blue-adjustment Exit Using your computer ThinkCentre User Guide Comfort Accessibility and comfortYou and your computer Arranging your workspace Air circulation Glare and lightingElectrical outlets and cable lengths Moving your computer to another country or region Voltage-selection switchReplacement power cords Register your computer with Lenovo ThinkCentre User Guide Security Security features Bios passwords Using passwordsAttaching an integrated cable lock Protecting data against viruses Windows passwordsSetting the fingerprint reader Using and understanding firewalls ThinkCentre User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Removing the monitor stand Replacing the USB keyboard or mouse Connecting the USB keyboard or mouse Replacing the wireless keyboard Replacing 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 Hard Disk Password Password considerationsPower-On Password Administrator Password Selecting or changing the startup device sequence Enabling or disabling a deviceSelecting a startup device Selecting a temporary startup device Exiting from the Setup Utility program Updating flashing the Bios from a disc Using system programsUpdating system programs Click Downloads and drivers Updating flashing the Bios from your operating system Getting the latest device drivers for your computer Preventing problemsUsing System Update Keeping your computer current Basics Optical mouse Cleaning your computerComputer Keyboard Cleaning a glass-screen surface Good maintenance practicesMoving your computer Basic troubleshooting Troubleshooting and diagnostics Troubleshooting Troubleshooting procedure No audio in Windows Audio problems Sound 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 Invalid disc or no disc found message DVD movie will not playNo audio or intermittent audio while playing DVD movie Playback is very slow or choppy Keyboard, mouse, or pointing device problems Intermittent problemsAll or some keys on the keyboard do not work Fingerprint reader does not work Wireless keyboard does not workMouse or pointing device does not work Pointer on the screen does not move smoothly with the mouse Wrong characters appear on the screen Monitor problemsImage appears to be flickering Ethernet problems Networking problemsImage is discolored Adapter stops working for no apparent reason Wake on LAN feature is not workingYour computer cannot connect to the network Click Start Control Panel Click Hardware and Sound Wireless WAN problem Wireless LAN problemBluetooth problems An option that previously worked does not work now Option problemsAn option that was just installed does not work Sound does not come from the Bluetooth headphone Click Start Computer Performance and lockup problemsClick Disk Cleanup Insufficient free hard disk drive space Serial port problems Printer problemsExcessive number of fragmented files Software does not work as expected Software problems Diagnostic programs USB problems PC-Doctor for DOS Lenovo Solution CenterCreating a diagnostic disc Lenovo ThinkVantage Toolbox Running the diagnostic program from a diagnostic disc ThinkCentre User Guide Getting information, help, and service Lenovo Support Web site Help and serviceUsing the documentation and diagnostic program Calling for service Purchasing additional services Using other services ThinkCentre User Guide Appendix A. Notices Trademarks Electronic emissions notices Appendix B. Regulatory informationExport classification notice Television output notice Industry Canada Class B emission compliance statement Additional regulatory information ThinkCentre User Guide Important Weee Information Appendix C. Weee and recycling informationRecycling information Recycling information for Brazil Battery recycling information for Taiwan Battery recycling information for the European Union ThinkCentre User Guide Ukraine RoHS China RoHS Turkish RoHS India RoHS Windows 7 operating system Appendix E. Energy Star model information ThinkCentre User Guide Index Setting, changing, deleting Page 1P0B03427