Lenovo 8991, 6490, 9635, 9637, 9277, 9269, 9631, 9283, 9287, 9265, 9383, 9379, 9648, 9387 Diagnostic programs

Page 74

Symptom

Action

 

 

The Enhanced Performance USB

Verify that:

Keyboard does not work.

v The computer is turned on.

 

v The keyboard is securely connected to a USB connector on the front or rear of

 

the computer.

 

v No keys are stuck.

 

If you cannot correct the problem, have the computer serviced. Refer to the

 

safety and warranty information that is provided with your computer for a list of

 

service and support telephone numbers.

 

 

The mouse does not work. The

Verify that:

computer does not respond to

v The computer is turned on.

the mouse.

v The mouse is securely connected to the mouse connector on the computer.

 

 

v The mouse is clean. Refer to “Cleaning the mouse” on page 57 for further

 

information.

 

If you cannot correct the problem, have the computer serviced. Refer to the

 

safety and warranty information that is provided with your computer for a list of

 

service and support telephone numbers.

 

 

The operating system will not

Verify that:

start.

v There is no diskette in the diskette drive.

 

v The startup sequence includes the device where the operating system resides.

 

Usually, the operating system is on the hard disk. See “Selecting a startup

 

device” on page 49 for more information.

 

If you cannot correct the problem, have the computer serviced. Refer to the

 

safety and warranty information that is provided with your computer for a list of

 

service and support telephone numbers.

 

 

The computer beeps multiple

Verify that no keys are stuck down.

times before the operating

If you cannot correct the problem, have the computer serviced. Refer to the

system starts.

 

safety and warranty information that is provided with your computer for a list of

 

service and support telephone numbers.

 

 

Diagnostic programs

Diagnostic programs are used to test hardware components of your computer and report operating-system-controlled settings that can cause hardware failures. There are two diagnostic programs preinstalled on your computer to help you diagnose problems:

vPC-Doctor for Windows (used when diagnosing problems while running the Windows operating system)

vPC-Doctor for DOS or PC-Doctor for Windows PE, depending upon your machine type and model (used when your Windows operating system will not start)

Notes:

1.You can download the latest version of the PC-Doctor for Windows and PC-Doctor for DOS diagnostic programs from http://www.lenovo.com/ support/. Type your machine type into the Use Quick Path field and click Go to find the downloadable files that are specific to your computer.

2.If you are unable to isolate and repair the problem yourself after you run PC-Doctor for Windows and depending upon your machine type and model, PC-Doctor for DOS or PC-Doctor for Windows PE, save and print the log files

54User Guide

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Contents User Guide Page User Guide Page Contents Troubleshooting Important safety information Conditions that require immediate actionGeneral safety guidelines Service and upgradesPower cords and power adapters Static electricity preventionVoltage-selection switch External devices Extension cords and related devicesPlugs and outlets BatteriesHeat and product ventilation Electrical current safety information Operating environmentTo connect To disconnect Lithium battery noticeModem safety information Laser compliance statement Power supply statementProducts with television tuner options installed Example of antenna grounding Proper grounding for the cableUsing headphones or earphones Data safetyCleaning and maintenance Additional safety information Introduction Xviii User Guide Arranging your workspace ComfortElectrical outlets and cable lengths Glare and lightingAir circulation Setting up your computer Connecting your computerUser Guide Setting up your computer User Guide 1394 Turning on power Finishing the software installationUpdating your operating system Installing other operating systemsCompleting important tasks Updating your antivirus softwareUser Guide Installing options FeaturesVideo subsystem Operating systems preinstalled varies by model type Weight SpecificationsDimensions EnvironmentAvailable options Tools requiredInstalling external options Handling static-sensitive devicesLocating the connectors on the front of your computer Locating the connectors on the rear of your computer Connector Description Obtaining device driversRemoving the cover Locating components Identifying parts on the system board Installing options User Guide Installing memory What to do nextInstalling adapters What to do next Installing internal drives Drive specificationsInstalling options Installing a drive in bay 1 or bay Installing options Connecting drives Connecting the first optical driveConnecting a serial ATA hard disk drive Installing security featuresIntegrated cable lock Padlock Password protectionChanging the battery Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables User Guide Recovering software Creating and using the Product Recovery discPerforming backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media Creating and using a Recovery Repair diskette To create rescue media, do the followingRecovering or installing device drivers Setting a rescue device in the startup sequence Solving recovery problemsUser Guide Viewing and changing settings Using the Setup UtilityStarting the Setup Utility program Using passwordsSetting, changing, and deleting a password User PasswordAdministrator Password Using Security Profile by DeviceChanging the startup device sequence Selecting a startup deviceSelecting a temporary startup device Advanced settings Exiting from the Setup Utility programUpdating system programs Using system programsUpdating flashing Bios from a diskette User Guide Symptom Action Troubleshooting and diagnosticsBasic troubleshooting Diagnostic programs PC-Doctor for Windows PC-Doctor for DOSRunning diagnostics from the CD or diskettes Optical mouse Cleaning the mousePC-Doctor for Windows PE Non-optical mouse1 Retainer ring 2 Ball 3 Plastic rollers 4 Ball cage Online Books folder Getting information, help, and serviceInformation resources ThinkVantage Productivity CenterHelp and service Access HelpSafety and warranty Using the documentation and diagnostic programs Calling for serviceUsing other services Purchasing additional servicesAppendix A. Manual modem commands Basic AT commandsSet Tone Dial as default Low speaker volumeSet Pulse dial as default Internal speaker on until carrier detectedExtended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 1 commands Fax Class 2 commandsVoice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Television output notice TrademarksIndex Page Page Part Number
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