OntheWindows8orWindows8.1operatingsystem,dothefollowing:
1.Closeanyprogramsthatarecurrentlyrunningandcloseanyopenwindows.
2.OnWindows8,openFileExplorerandclickComputer.OnWindows8.1,openFileExplorer.
3.Right-clickyourCdriveentryandthenclickProperties.
4.ClicktheToolstabandthenclickOptimize.
5.ClickOptimizeintheOptimizeDriveswindowthatisdisplayedtostartadisk-defragmentationprocess.
Printerproblems
Symptom:Theprinterdoesnotwork.
Actions:Verifythat:
1.Theprinteristurnedonandisonline.
2.Paperisloadedcorrectly.
3.Theprintersignalcableissecurelyconnectedtothecorrectparallel,serial,orUSBconnectoronthe
computer.
Note:Non-IEEE-approvedprintersignalcablesmightcauseunpredictableproblems.
1.Anydevicedriversandothersoftwarethatcamewiththeprinterarecorrectlyinstalled.
2.Youhaveassignedtheprinterportcorrectlyinyouroperatingsystem,applicationprogram,orBIOS
settings.FormoreinformationaboutBIOSsettings,seeChapter7“UsingtheSetupUtilityprogram”
onpage51.
Iftheproblempersists,runthetestsdescribedinthedocumentationthatcomeswithyourprinter.Ifyou
cannotcorrecttheproblem,havethecomputerserviced.SeeChapter11“Gettinginformation,help,
andservice”onpage81.
Serialportproblems
Usethisinformationtotroubleshoottheserialportanddevicesattachedtotheserialport.
Symptom:Serialportcannotbeaccessed.
Actions:
•Makesuretheserialcableissecurelyconnectedtotheserialportonthecomputerandtotheserial
device.Iftheserialdevicehasitsownpowercord,makesureitisattachedtoaproperlygrounded
electricaloutlet.
•IftheserialdevicehasitsownOn/Offswitch,makesureitisintheOnposition.
•IftheserialdevicehasanOnlineswitch,makesureitisintheOnlineposition.
•Iftheserialdeviceisaprinter,makesurepaperisloadedcorrectly.
•Verifythatanysoftwaresuppliedwiththeserialdeviceiscorrectlyinstalled.Refertothedocumentation
fortheserial-deviceoption.
•Makesurethattheserial-portadapter,ifyouaddedone,isproperlyinstalledandfirmlyseated.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage81
.
Softwareproblems
Selectyoursymptomfromthefollowinglist:
78ThinkCentreM73zUserGuide
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