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,see“AccessingLenovoprogramsontheWindows7operatingsystem”
onpage6or“AccessingLenovoprogramsontheWindows8orWindows8.1operatingsystem”onpage7.
IftheSystemUpdateprogramisnotcurrentlyinstalledonyourcomputer,youcandownloaditfromthe
LenovoSupportWebsiteathttp://www.lenovo.com/support.
Cleaningandmaintenance
Withappropriatecareandmaintenanceyourcomputerwillserveyoureliably.Thefollowingtopicsoffer
informationtohelpyoukeepyourcomputerintopworkingorder.
•“Basics”onpage90
•“Cleaningyourcomputer”onpage91
–“Computer”onpage91
–“Keyboard”onpage91
–“Opticalmouse”onpage91
–“Displayscreen”onpage91
•“Goodmaintenancepractices”onpage92
Basics
Herearesomebasicpointsaboutkeepingyourcomputerfunctioningproperly:
•Keepyourcomputerinaclean,dryenvironment.Ensurethatitrestsonaflat,steadysurface.
•Donotplaceitemsonthetopofthemonitororcoveranyoftheflowoutinthemonitororcomputer.
Theseventsenableheatproducedinsidethecomputertoventandenablecoolairtoflowin.Toensure
properairflowandcoolingofyourcomputer,donotblockthecomputerinletandoutlet.Leaveatleast2
cm(0.79inches)ofspacetoensureproperairflow.
Attention:Blockingthecomputerinletoroutletwillcausethermalfailure.
•Keepfoodanddrinksawayfromallpartsofyourcomputer.Foodparticlesandspillsmightmakethe
keyboardandmousestickyandunusable.
•Donotgetthepowerswitchesorothercontrolswet.Moisturecandamagethesepartsandcausean
electricalhazard.
90ThinkCentreM93zUserGuide