Lenovo M73 Betriebsanweisung Seite 121

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OncomputersthathaveaCD-ROMorCD-RWdriveinadditiontoaDVD-ROMdrive,makesurethatthe
DVDdiscisinthedrivelabeled“DVD”.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121
.
Intermittentproblems
Symptom:Aproblemoccursonlyoccasionallyandisdifficulttorepeat.
Actions:
Verifythatallcablesandcordsaresecurelyconnectedtothecomputerandattacheddevices.
Verifythatwhenthecomputerison,thefangrillisnotblocked(thereisairflowaroundthegrill),andthe
fansareworking.Ifairflowisblockedorthefansarenotworking,thecomputermightoverheat.
IfSCSIdevicesareinstalled,verifythatthelastexternaldeviceineachSCSIchainisterminatedcorrectly.
(SeeyourSCSIdocumentation.)
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage121
.
Keyboard,mouse,orpointingdeviceproblems
Selectyoursymptomfromthefollowinglist:
Allorsomekeysonthekeyboarddonotwork”onpage109
“Themouseorpointingdevicedoesnotwork”onpage110
“Thepointeronthescreendoesnotmovesmoothlywiththemouse”onpage110
“Thefingerprintreaderdoesnotwork”onpage110
“Thewirelesskeyboarddoesnotwork”onpage110
Allorsomekeysonthekeyboarddonotwork
Symptom:Allorsomekeysonthekeyboarddonotwork.
Actions:
Verifythatthekeyboardcableissecurelyconnectedtothecorrectconnectoronthecomputer.
IfyouareusinganEnhancedPerformanceUSBkeyboardandoneormoreoftheRapidAccessbuttons
aretheonlykeysthatarenotworking,thesebuttonsmighthavebeendisabledorhavenotbeenassigned
toafunction.UsethehelpsystemintheEnhancedPerformanceCustomizationKeyboardprogramto
helpdiagnoseproblemswiththeRapidAccessbuttons.
ToopentheEnhancedPerformanceCustomizationKeyboardprogram,dooneofthefollowing:
OntheWindows7operatingsystem,dothefollowing:
1.ClickStartControlPanel.
2.ClickHardwareandSound.
3.ClickDevicesandPrinters.
4.Double-clickUSBEnhancedPerformanceKeyboard.TheUSBEnhancedPerformance
KeyboardCustomizationprogramstarts.
OntheWindows8orWindows8.1operatingsystem,dothefollowing:
1.OpenControlPanel.
Chapter10.Troubleshootinganddiagnostics109
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