Lenovo 3417 Performance and lockup problems, An option that previously worked does not work now

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•If the option is an adapter, you have provided enough hardware resources for the adapter to function correctly. See the documentation supplied with the adapter (as well as the documentation for any other installed adapters) to determine the resources required for each adapter.

If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 74 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 75.

An option that previously worked does not work now

Symptom: An option that previously worked does not work now.

Actions:

•Verify that all option hardware and cable connections are secure.

•If the option comes with its own test instructions, use those instructions to test the option.

•If the failing option is a SCSI option, verify that:

–The cables for all external SCSI options are connected correctly.

–The last option in each SCSI chain, or the end of the SCSI cable, is terminated correctly.

–All external SCSI options are turned on. External SCSI options must be turned on before the computer is turned on. For more information, see your SCSI documentation.

•Verify that the option and any required device drivers are installed correctly.

If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on page 74 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 75.

Performance and lockup problems

Poor performance and lockup problems can be a result of any of the following:

•“Insufficient free hard disk drive space” on page 70

•“Excessive number of fragmented files” on page 71

Make a selection from the above list to find out more about the corrective actions you can take.

Insufficient free hard disk drive space

Symptom: Insufficient free hard disk drive space

The Windows operating system will slow down and might produce errors if the hard disk drive gets too full.

To check the amount of free space on the Windows 7 operating system, do the following:

1.Click Start ➙ Computer.

2.Right-click your C drive entry and then click Properties. The amount of free disk space is displayed.

To check the amount of free space on the Windows 8 operating system, do the following:

1.Open the Windows Explorer and click Computer.

2.Right-click your C drive entry and then click Properties. The amount of free disk space is displayed.

To free up disk space, do any of the following:

• Procedure 1

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Contents ThinkCentre Edge User Guide Third Edition September Copyright Lenovo Contents Appendix A. Notices Iii Iv ThinkCentre Edge 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 Edge User Guide Features Product overviewPower supply System management featuresInput/Output I/O features ConnectivityPreinstalled software programs Security featuresPreinstalled operating system Accessing Lenovo programs on the Windows 7 operating system SpecificationsLenovo programs Accessing Lenovo programs from Control Panel Program Icon nameCommunications Utility Accessing Lenovo programs on the Windows 8 operating systemAn introduction to Lenovo programs Fingerprint SoftwarePassword Manager Lenovo SettingsLenovo Solution Center Power ManagerLocations System UpdateView Management Utility Connector Description Locating connectors on the rear of your computer Hdmi connectorAdjusting the computer stand Machine type and model labelFollowing is a sample of the machine type and model label Accessing Control Panel on the Windows 8 operating system Using your computerFrequently asked questions Where can I find help about the Windows operating system?Using the blue ThinkVantage button Using the keyboardUsing Windows shortcut keys Using a fingerprint readerSetting the volume from the desktop Using the wheel mouseAdjusting audio Adding the volume icon to the taskbarSound section, click Adjust system volume Setting the volume from Control PanelUsing CDs and DVDs Handling and storing CD and DVD mediaPlaying a CD or DVD Using the single-touch and multi-touch featureRecording a CD or DVD Using the single-touch feature Using the multi-touch featureArranging your workspace Accessibility and comfortYou and your computer ComfortAir circulation Glare and lightingElectrical outlets and cable lengths Register your computer with Lenovo Voltage-selection switchMoving your computer to another country or region Replacement power cords Security features SecurityBios passwords Using passwordsAttaching an integrated cable lock Using and understanding firewalls Windows passwordsProtecting data against viruses ThinkCentre Edge User Guide Installing external options Installing or replacing hardwareInstalling or replacing hardware Removing and reinstalling the system stand hinge coverRemoving the system stand hinge cover Removing and reinstalling the system stand Removing the system stand Removing and reinstalling the foot stands Removing the rubber piece from each foot standReinstall the rubber piece on each foot stand Replacing the wireless keyboard Replacing the USB keyboard or mouseReplacing the wireless mouse Installing the keyboard batteriesInstalling or replacing hardware Obtaining device drivers Recovery information for the Windows 7 operating system Recovery informationCreating and using recovery media Using recovery media Performing backup and recovery operationsCreating recovery media Performing a backup operationPerforming a recovery operation Using the Rescue and Recovery workspaceClick 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 for the Windows 8 operating system Refreshing your computerThinkCentre Edge User Guide Viewing and changing settings Using the Setup Utility programStarting the Setup Utility program Password considerationsSetting, changing, and deleting a password Power-On PasswordAdministrator Password Enabling or disabling a deviceSelecting a temporary startup device Exiting the Setup Utility programSelecting a startup device Selecting or changing the startup device sequenceThinkCentre Edge User Guide 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 computerCleaning your computer BasicsOptical mouse ComputerKeyboard Display screenCleaning a glass-screen surface Good maintenance practicesCleaning a liquid crystal display LCD surface Moving your computerPreventing problems ThinkCentre Edge User Guide Troubleshooting and diagnostics Basic troubleshootingTroubleshooting procedure Audio problems TroubleshootingNo audio in Windows Sound comes from one external speaker only No audio in DOS applications or gamesCD problems CD or DVD does not workDVD movie will not play DVD problemsBlack screen instead of DVD video No audio or intermittent audio while playing DVD movieInvalid disc or no disc found message Intermittent problemsKeyboard, mouse, or pointing device problems All or some keys on the keyboard do not workFingerprint reader does not work Mouse or pointing device does not workPointer on the screen does not move smoothly with the mouse Click Hardware and Sound Click Devices and PrintersWireless keyboard does not work Monitor problemsWrong characters appear on the screen Image appears to be flickering Image is discoloredYour computer cannot connect to the network Networking problemsEthernet problems Click Start Control Panel Click Hardware and SoundWake on LAN feature is not working Wireless LAN problemAdapter stops working for no apparent reason Bluetooth problem Option problemsWireless WAN problem An option that was just installed does not workInsufficient free hard disk drive space Performance and lockup problemsAn option that previously worked does not work now Click Start ComputerExcessive number of fragmented files Software problems Printer problemsSerial port problems Click OptimizeUSB problems Software does not work as expectedLenovo Solution Center Getting information, help, and service Calling for service Help and serviceUsing the documentation and diagnostic programs Lenovo Support Web siteUsing other services Purchasing additional servicesThinkCentre Edge User Guide Appendix A. Notices Trademarks Electronic emissions notices Appendix B. Regulatory informationExport classification notice Federal Communications Commission Declaration of ConformityThinkCentre Edge User Guide Additional regulatory information ThinkCentre Edge 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 Edge User Guide China RoHS Turkish RoHS Ukraine RoHSIndia RoHS Appendix E. Energy Star model information Windows 7 or Windows 8 operating systemThinkCentre Edge User Guide Taşıma ve nakliye sırasında dikkat edilecek hususlar İmalatçı ya da ithalatçı firmaya ilişkin bilgilerBakım, onarım ve kullanımda uyulması gereken kurallar Kullanım hatalarına ilişkin bilgilerBağlantı ve montaja ilişkin bilgiler Destek Bilgisayar Ve İletişim Hiz. Tic. A.Ş Garanti Hizmetinin Alınabileceği MerkezlerBdh Bilişim Destek Hiz. San. Ve Tic. A.Ş Bdh Bilişim Destek Hizmetleri San.Ve TicBilgi Birikim Sistemleri Elktr. ve Bilg Bdh Bilişim Destek Hizmetleri San.Ve Tic.AşYedi Yirmidört Bilişim Hizmetleri Ticaret A.S Bdh Bilişim Destek Hizmetleri Sanayi Ve Ticaret A.Ş Adapa Bilgi Sistemleri Tur.San. Ve Tic.A.ŞBdh Bilişim Destek Hizmetleri San.Ve Tic. A.Ş Bdh Bilişim Destek Hizmetleri San.Ve Tic.A.ŞŞanliurfa Index Password Administrator Considerations
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