Lenovo 1271, 3578, 3594, 3596, 3598, 3629, 3654, 3660, 3664, 3668, 3676, 900, 967 Intermittentproblems, Keyboard,mouse,orpointingdeviceproblems

•EnsurethataDVDdiscisinthedrivewiththeshinysideofthediscfacingdown.

•Ensurethatvideoresolutionissettolessthan1152x864.

•OncomputersthathaveaCD-ROMorCD-RWdriveinadditiontoaDVD-ROMdrive,makesurethatthe

DVDdiscisinthedrivelabeled“DVD”.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogr ams(see“Diagnosticprograms”on

page114forinstructions).Ifyouneedtechnicalassistance,seeChapter11“Gettinginformation,help,and

service”onpage117.

Intermittentproblems

Symptom:Aproblemoccursonlyoccasionallyandisdifculttorepeat.

Actions:

•Verifythatallcablesandcordsaresecurelyconnectedtothecomputerandattacheddevices.

•Verifythatwhenthecomputerison,thefangrillisnotblocked(thereisairowaroundthegrill),andthe

fansareworking.Ifairowisblockedorthefansarenotworking,thecomputermightoverheat.

•IfSCSIdevicesareinstalled,verifythatthelastexternaldeviceineachSCSIchainisterminatedcorrectly.

(SeeyourSCSIdocumentation.)

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogr ams(see“Diagnosticprograms”on

page114forinstructions).Ifyouneedtechnicalassistance,seeChapter11“Gettinginformation,help,and

service”onpage117.

Keyboard,mouse,orpointingdeviceproblems

Selectyoursymptomfromthefollowinglist:

•“Allorsomekeysonthekeyboarddonotwork”onpage103

•“Themouseorpointingdevicedoesnotwork”onpage104

•“Thepointeronthescreendoesnotmovesmoothlywiththemouse”onpage104

•“Thengerprintreaderdoesnotwork”onpage104

•“Thewirelesskeyboarddoesnotwork”onpage104

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.Troubleshootinganddiagnostics103

Lenovo Intermittentproblems, Keyboard,mouse,orpointingdeviceproblems