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Lenovo 4223, 4228, 4229 manual Installing a padlock, Locking the computer cover

Models: 4229 4223 4228

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Figure 7. Locking the computer cover

Installing a padlock

Your computer comes with a padlock loop so that the computer cover cannot be removed when a padlock is installed.

24ThinkStation User Guide

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Lenovo 4223, 4228, 4229 manual Installing a padlock, Locking the computer cover

Contents

ThinkStation User Guide First Edition April Copyright Lenovo Contents Using the Setup Utility Program Appendix A. System memory Speed 107 Appendix B. Notices 109 Iv ThinkStation User Guide Important safety information Service and upgradesStatic electricity prevention Power cords and power adapters Extension cords and related devicesPlugs and outlets External devicesHeat and product ventilation Modem safety information Operating environmentPower supply statement Cleaning and maintenanceLaser compliance statement ThinkStation User Guide Features Product overviewSystem management features Input/Output I/O featuresConnectivity Power supply Security featuresPreinstalled software programs Preinstalled operating systemSpecifications DimensionsSoftware overview Software provided by LenovoThinkVantage Rescue and Recovery Adobe Reader Antivirus softwareLocations Front connector, control, and indicator locations Locating connectors on the rear of your computer Connector DescriptionConnector Locating componentsLocating parts on the system board System board part locationsProduct overview Locating internal drives Drive bay locationsMachine type and model label Machine type and model labelThinkStation User Guide Using your computer Frequently asked questionsUsing the keyboard Using Windows shortcut keysUsing the blue ThinkVantage button Using the wheel mouseAdjusting audio About your computer 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 Recording a CD or DVDAccessibility and comfort You and your computerArranging your workspace ComfortGlare and lighting Air circulationElectrical outlets and cable lengths Replacement power cords Register your computer with LenovoMoving your computer to another country or region ThinkStation User Guide Security features SecurityLocking the computer cover Installing a padlock Locking the computer coverInstalling a padlock Using passwords Bios passwordsAttaching an integrated cable lock Windows passwords Using and understanding firewallsProtecting data against viruses ThinkStation User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Handling static-sensitive devicesRemoving the computer cover Removing the computer coverRemoving and reinstalling the front bezel What to do nextInstalling or replacing a PCI card Opening the PCI card retainerRemoving a PCI card Installing or replacing a memory module Removing the memory fan duct Removing a memory module Installing or replacing the optical drive Installing a memory moduleRemoving the optical drive Installing the optical drive retainer Connecting the optical drive Replacing the card readerRemoving the card reader Replacing the battery Installing the card readerReplacing the heat sink and fan assembly Removing the old batteryRemoving the heat sink and fan assembly Replacing the hard disk drive fan assembly Replacing the rear fan assembly Removing the hard disk drive fan assemblyRemoving the rear fan assembly Installing or replacing a hard disk drive Installing the rear fan assemblyRemoving the hard disk drive Installing the hard disk drive into the bracket Installing the hard disk drive Installing or replacing a hard disk drive enablement module Removing the hard disk drive enablement moduleReplacing the front audio and USB assembly Installing a new hard disk drive enablement moduleReplacing the internal speaker Replacing the keyboard or mouse Removing the internal speakerCompleting the parts replacement Connecting the USB keyboard or mouseObtaining device drivers ThinkStation User Guide Recovery information Creating and using recovery mediaCreating recovery media Using recovery media Performing backup and recovery operationsPerforming a backup operation Performing a recovery operation Using the Rescue and Recovery workspaceClick the Restore your system from a backup icon Creating and using a rescue medium Using a rescue mediumCreating a rescue medium Reinstalling preinstalled applications and device drivers Reinstalling preinstalled applicationsReinstalling preinstalled device drivers Reinstalling software programs Reinstalling device driversSolving recovery problems Recovery information ThinkStation User Guide Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Password considerations Power-On PasswordAdministrator Password Hard Disk PasswordErasing lost or forgotten passwords clearing Cmos Enabling or disabling a deviceSelecting a startup device Enabling ErP compliance mode and Deep Sx Selecting a temporary startup deviceSelecting or changing the startup device sequence Exiting the Setup Utility program ThinkStation User Guide Configuring RAID Configuring RAID with Intel RSTeInstalling Sata or SAS hard disk drives Entering the Intel RSTe configuration utility Resetting hard disk drives to non-RAID RAID LevelInstalling Sata or SAS hard disk drives Entering the LSI MegaRAID Bios configuration utility Setting the hot spare hard disk drive Using system programs Updating flashing the Bios from a discUpdating system programs Updating flashing the Bios from your operating system Recovering from a POST/BIOS update failureClick Downloads and drivers Preventing problems Using System UpdateKeeping your computer current Getting the latest device drivers for your computerBasics Cleaning your computer ComputerKeyboard Optical mouseGood maintenance practices Cleaning a glass-screen surfaceMoving your computer Troubleshooting and diagnostics Basic troubleshootingTroubleshooting procedure TroubleshootingAudio problems No audio in WindowsCD problems Sound comes from one external speaker onlyNo audio in DOS applications or games DVD problems CD or DVD does not workBlack 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 messageHard disk drive problems Intermittent problems Keyboard, mouse, or pointing device problemsAll or some keys on the keyboard do not work Mouse or pointing device does not workMonitor problems Wireless keyboard does not workPointer on the screen does not move smoothly with the mouse Wrong characters appear on the screenImage appears to be flickering Networking problems Ethernet problemsImage is discolored Your computer cannot connect to the networkOption problems Wake on LAN feature is not workingAdapter stops working for no apparent reason Performance and lockup problems An option that was just installed does not workAn option that previously worked does not work now Insufficient free hard disk drive spaceExcessive number of fragmented files Printer problems Serial port problemsInsufficient memory Software problems Software does not work as expectedUSB problems Lenovo Solution CenterThinkStation User Guide Getting information, help, and service Help and service Using the documentation and diagnostic programsCalling for service Lenovo Support Web siteUsing other services Purchasing additional servicesThinkStation User Guide Appendix A. System memory speed 107ThinkStation User Guide Appendix B. Notices 109Trademarks Appendix C. Regulatory information Export classification noticeElectronic emissions notices Federal Communications Commission Declaration of ConformityThinkStation User Guide Additional regulatory information ThinkStation User Guide Appendix D. Weee and recycling information Important information for the European Directive 2002/96/ECRecycling information 115Battery recycling information for Taiwan Recycling information for BrazilBattery recycling information for the European Union ThinkStation User Guide Index 119Installing options memory module PCI card 121 ThinkStation User Guide