Lenovo 0958B2U, 1112, 2116, 3498, 3593, 3595, 3597, 3617, 3634, 3655, 3662, 3665, 3675, 896, 958 Intermittentproblems, Keyboard,mouse,orpointingdeviceproblems

•EnsurethataDVDdiscisinthedrivewiththeshinysideofthediscfacingdown.

•Ensurethatvideoresolutionissettolessthan1152x864.

•OncomputersthathaveaCD-ROMorCD-RWdriveinadditiontoaDVD-ROMdrive,makesurethatthe

DVDdiscisinthedrivelabeled“DVD”.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogr ams(see“Diagnosticprograms”on

page110forinstructions).Ifyouneedtechnicalassistance,seeChapter11“Gettinginformation,help,and

service”onpage113.

Intermittentproblems

Symptom:Aproblemoccursonlyoccasionallyandisdifculttorepeat.

Actions:

•Verifythatallcablesandcordsaresecurelyconnectedtothecomputerandattacheddevices.

•Verifythatwhenthecomputerison,thefangrillisnotblocked(thereisairowaroundthegrill),andthe

fansareworking.Ifairowisblockedorthefansarenotworking,thecomputermightoverheat.

•IfSCSIdevicesareinstalled,verifythatthelastexternaldeviceineachSCSIchainisterminatedcorrectly.

(SeeyourSCSIdocumentation.)

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogr ams(see“Diagnosticprograms”on

page110forinstructions).Ifyouneedtechnicalassistance,seeChapter11“Gettinginformation,help,and

service”onpage113.

Keyboard,mouse,orpointingdeviceproblems

Selectyoursymptomfromthefollowinglist:

•“Allorsomekeysonthekeyboarddonotwork”onpage99

•“Themouseorpointingdevicedoesnotwork”onpage100

•“Thepointeronthescreendoesnotmovesmoothlywiththemouse”onpage100

•“Thengerprintreaderdoesnotwork”onpage100

•“Thewirelesskeyboarddoesnotwork”onpage100

Symptom:Allorsomekeysonthekeyboarddonotwork.

Actions:

•Verifythatthekeyboardcableissecurelyconnectedtothecorrectconnectoronthecomputer.

•IfyouareusinganEnhancedPerformanceUSBkeyboardandoneormoreoftheRapidAccessbuttons

aretheonlykeysthatarenotworking,thesebuttonsmighthavebeendisabledorhavenotbeenassigned

toafunction.UsethehelpsystemintheEnhancedPerformanceCustomizationKeyboardprogramto

helpdiagnoseproblemswiththeRapidAccessbuttons.

•OntheWindowsVistaoperatingsystem,dothefollowing:

1.ClickStart➙ControlPanel.

2.ClickHardwareandSound.

3.IntheKeyboardtopic,clickCheckkeyboardstatus.

4.ClickPropertiesforkeyboarddetailsandtoseeifthekeyboardisworkingproperlyornot.

•OntheWindows7operatingsystem,dothefollowing:

Chapter10.Troubleshootinganddiagnostics99

Lenovo Intermittentproblems, Keyboard,mouse,orpointingdeviceproblems