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UsingSystemUpdate
TheSystemUpdateprogramhelpsyoukeepthesoftwareonyourcomputerup-to-date.Updatepackages
arestoredonLenovoserversandcanbedownloadedfromtheLenovoSupportWebsite.Updatepackages
cancontainapplications,devicedrivers,BIOSflashes,orsoftwareupdates.WhentheSystemUpdate
programconnectstotheLenovoSupportWebsite,theSystemUpdateprogramautomaticallyrecognizes
themachinetypeandmodelofyourcomputer,theinstalledoperatingsystem,andthelanguageofthe
operatingsystemtodeterminewhatupdatesareavailableforyourcomputer.TheSystemUpdateprogram
thendisplaysalistofupdatepackagesandcategorizeseachupdateascritical,recommended,and
optionaltohelpyouunderstandtheimportance.Youhavecompletecontrolofwhichupdatestodownload
andinstall.Afteryouselecttheupdatepackagesyouwant,theSystemUpdateprogramautomatically
downloadsandinstallstheupdateswithoutanyfurtherinterventionfromyou.
TheSystemUpdateprogramispreinstalledonmostLenovocomputersandisreadytorun.Theonly
prerequisiteisanactiveInternetconnection.Youcanstarttheprogrammanually,oryoucanusethe
schedulefeaturetoenabletheprogramtosearchforupdatesautomaticallyatspecifiedintervals.Youalso
canpredefinescheduledupdatestosearchbyseverity(criticalupdates,criticalandrecommendedupdates,
orallupdates)sothelistyouchoosefromcontainsonlythoseupdatetypesthatareofinteresttoyou.
ToopentheSystemUpdateprogram,seeAccessingLenovoprogramsontheWindows7operatingsystem”
onpage5
orAccessingLenovoprogramsontheWindows8orWindows8.1operatingsystem”onpage6.
IftheSystemUpdateprogramisnotcurrentlyinstalledonyourcomputer,youcandownloaditfromthe
LenovoSupportWebsiteathttp://www.lenovo.com/support.
Cleaningandmaintenance
Withappropriatecareandmaintenanceyourcomputerwillserveyoureliably.Thefollowingtopicsoffer
informationtohelpyoukeepyourcomputerintopworkingorder.
“Basics”onpage86
“Cleaningyourcomputer”onpage87
“Computer”onpage87
“Keyboard”onpage87
“Opticalmouse”onpage87
“Displayscreen”onpage87
“Goodmaintenancepractices”onpage88
Basics
Herearesomebasicpointsaboutkeepingyourcomputerfunctioningproperly:
Keepyourcomputerinaclean,dryenvironment.Makesurethatitrestsonaflat,steadysurface.
Donotplaceitemsontopofthemonitororcoveranyoftheventsinthemonitororcomputer.These
ventsprovideairflowtokeepyourcomputerfromoverheating.
Keepfoodanddrinksawayfromallpartsofyourcomputer.Foodparticlesandspillsmightmakethe
keyboardandmousestickandunusable.
Donotgetthepowerbuttonsorothercontrolswet.Moisturecandamagethesepartsandcausean
electricalhazard.
Alwaysdisconnectapowercordbygraspingtheplug,butnotthecord.
86ThinkCentreE73UserGuide
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