Note:Donotremoveorreplaceapreinstalledwirelessmodulebyyourself.Formodulereplacement,you
mustcontactLenovoservicefirst.Lenovoisnotresponsibleforanydamagecausedbyunauthorized
replacement.
LabelsfortheWindowsoperatingsystems
Windows7CertificateofAuthenticity:ComputermodelspreinstalledwiththeWindows7operating
systemhaveaCertificateofAuthenticitylabelaffixedtothecomputercoverorinsidethebattery
compartment.TheCertificateofAuthenticityisyourindicationthatthecomputerislicensedforaWindows7
productandispreinstalledwithaWindows7genuineversion.Insomecases,anearlierWindowsversion
mightbepreinstalledunderthetermsoftheWindows7Professionallicensedowngraderights.Printedon
theCertificateofAuthenticityistheWindows7versionforwhichthecomputerislicensedandtheProduct
ID.TheProductIDisimportantincaseyouneedtoreinstalltheWindows7operatingsystemfromasource
otherthanaLenovoproductrecoverydiscset.
Windows10GenuineMicrosoftlabel:Dependingonyourgeographiclocation,thedatewhenyour
computerwasmanufactured,andtheWindows10versionthatispreinstalled,yourcomputermighthavea
GenuineMicrosoftlabelaffixedtoitscover.Seehttp://www.microsoft.com/en-us/howtotell/Hardware.aspx
forillustrationsofthevarioustypesofGenuineMicrosoftlabels.
•InthePeople’sRepublicofChina,theGenuineMicrosoftlabelisrequiredonallcomputermodels
preinstalledwithanyWindows10version.
•Inothercountriesandregions,theGenuineMicrosoftlabelisrequiredonlyoncomputermodelslicensed
forWindows10Pro.
TheabsenceofaGenuineMicrosoftlabeldoesnotindicatethatthepreinstalledWindowsversionisnot
genuine.FordetailsonhowtotellwhetheryourpreinstalledWindowsproductisgenuine,refertothe
informationprovidedbyMicrosoftathttp://www.microsoft.com/en-us/howtotell/default.aspx.
UnlikeWindows7products,therearenoexternal,visualindicatorsoftheProductIDorWindowsversionfor
whichthecomputerislicensed.Instead,theProductIDisrecordedinthecomputerfirmware.Whenever
aWindows10productisinstalled,theinstallationprogramchecksthecomputerfirmwareforavalid,
matchingProductIDtocompletetheactivation.
Insomecases,anearlierWindowsversionmightbepreinstalledunderthetermsoftheWindows10Pro
licensedowngraderights.
Features
Thecomputerfeaturesintroducedinthissectioncoveravarietyofmodels.Foryourspecificcomputer
model,somefeaturesmightvaryornotapply.
Toviewthesystempropertiesofyourcomputer,dothefollowing:
•ForWindows7:OpentheStartmenu,right-clickComputer,andthenclickProperties.
•ForWindows10:Doeitherofthefollowing:
–OpentheStartmenu,andthenclickSettings.IfSettingsisnotdisplayed,clickAllappstodisplayall
programs,andthenclickSettings➙System➙About.
–Right-clicktheStartbutton.ThenselectSystem.
Memory
•DoubleDataRate3(DDR3)LowVoltage(LV)SynchronousDynamic(SD)RandomAccessMemory
Modules(RAMMs)
Chapter1.Productoverview9