Lenovo ThinkCentre E93 - Intermittent Problems; Keyboard, Mouse, or Pointing Device Problems

•OncomputersthathaveaCD-ROMorCD-RWdriveinadditiontoaDVD-ROMdrive,makesurethatthe
DVDdiscisinthedrivelabeled“DVD”.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage125
.
Intermittentproblems
Symptom:Aproblemoccursonlyoccasionallyandisdifficulttorepeat.
Actions:
•Verifythatallcablesandcordsaresecurelyconnectedtothecomputerandattacheddevices.
•Verifythatwhenthecomputerison,thefangrillisnotblocked(thereisairflowaroundthegrill),andthe
fansareworking.Ifairflowisblockedorthefansarenotworking,thecomputermightoverheat.
•IfSCSIdevicesareinstalled,verifythatthelastexternaldeviceineachSCSIchainisterminatedcorrectly.
(SeeyourSCSIdocumentation.)
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage125
.
Keyboard,mouse,orpointingdeviceproblems
Selectyoursymptomfromthefollowinglist:
•“Allorsomekeysonthekeyboarddonotwork”onpage113
•“Themouseorpointingdevicedoesnotwork”onpage114
•“Thepointeronthescreendoesnotmovesmoothlywiththemouse”onpage114
•“Thefingerprintreaderdoesnotwork”onpage114
•“Thewirelesskeyboarddoesnotwork”onpage114
Allorsomekeysonthekeyboarddonotwork
Symptom:Allorsomekeysonthekeyboarddonotwork.
Actions:
•Verifythatthekeyboardcableissecurelyconnectedtothecorrectconnectoronthecomputer.
•IfyouareusinganEnhancedPerformanceUSBkeyboardandoneormoreoftheRapidAccessbuttons
aretheonlykeysthatarenotworking,thesebuttonsmighthavebeendisabledorhavenotbeenassigned
toafunction.UsethehelpsystemintheEnhancedPerformanceCustomizationKeyboardprogramto
helpdiagnoseproblemswiththeRapidAccessbuttons.
ToopentheEnhancedPerformanceCustomizationKeyboardprogram,dooneofthefollowing:
–OntheWindows7operatingsystem,dothefollowing:
1.ClickStart➙ControlPanel.
2.ClickHardwareandSound.
3.ClickDevicesandPrinters.
4.Double-clickUSBEnhancedPerformanceKeyboard.TheUSBEnhancedPerformance
KeyboardCustomizationprogramstarts.
–OntheWindows8orWindows8.1operatingsystem,dothefollowing:
Chapter10.Troubleshootinganddiagnostics113