User guide

ManualsBrandsCloud-9 ManualsComputer equipmentPS/2 Keyboard Interface

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1.OpenControlPanel.

Note:FordetailedinformationonhowtoopenControlPanelonWindows8andWindows8.1,see

“AccessingControlPanelontheWindows8orWindows8.1operatingsystem”onpage20.

2.ClickHardwareandSound.

3.ClickDevicesandPrinters.

4.Double-clickUSBEnhancedPerformanceKeyboard.TheUSBEnhancedPerformance

KeyboardCustomizationprogramstarts.

Iftheseactionsdonotcorrecttheproblem,havethecomputerandkeyboardserviced.SeeChapter11

“Gettinginformation,help,andservice”onpage111

fordetails.

Themouseorpointingdevicedoesnotwork

Symptom:Themouseorpointingdevicedoesnotwork.

Actions:

•Verifythatthemouseorpointing-devicecableissecurelyattachedtothecorrectconnectoronthe

computer.Dependingonthetypeofmouseyouhave,themousecablewillconnecttoeitherthe

mouse,serial,orUSBconnector.SomekeyboardshaveintegratedUSBconnectorsthatcanbeused

foraUSBmouseorpointingdevice.

•Verifythatthedevicedriversforthemouseorpointingdeviceareinstalledcorrectly.

•IfyouareusingaUSBkeyboardormouse,verifythattheUSBconnectorsareenabledintheBIOS

settings.See“Enablingordisablingadevice”onpage83.

Iftheseactionsdonotcorrecttheproblem,runLenovoSolutionCenter.Ifyouneedtechnicalassistance,

seeChapter11“Gettinginformation,help,andservice”onpage111

Thepointeronthescreendoesnotmovesmoothlywiththemouse

Symptom:Thepointeronthescreendoesnotmovesmoothlywiththemouse.

Action:Erraticmovementofthemousepointerisgenerallycausedbyabuildupofdirt,oils,andother

contaminantsontheballinsidethemouse.Cleanthemouse.See“Opticalmouse”onpage91for

instructions.

Thengerprintreaderdoesnotwork

Symptom:Thengerprintreaderdoesnotwork.

Action:Thefollowingcouldcausethengerprintreadernottooperateproperly:

•Notenrollingyourngerprintcorrectly.

•Scratchingthesurfaceofthereaderwithahard,pointedobject.

•Scrapingthesurfaceofthereaderwithyournailoranythinghard.

•Usingortouchingthereaderwithadirtynger.

•Thesurfaceofyourngerisverydifferentfromwhenyouenrolledyourngerprint.

Thewirelesskeyboarddoesnotwork

Symptom:Thewirelesskeyboarddoesnotwork.

Action:IftheTransceiverCommunicationsLEDisonandthewirelessKeyboarddoesnotwork,restartyour

computer.Ifrestartingyourcomputerdoesnotsolvetheproblem,verifythatthefollowingconditionsaremet:

100ThinkCentreM73UserGuide