Hardware Maintenance Manual

Table7.Statusindicators(continued)
IndicatorMeaning
57System-statusindicator
Blinkingthreetimes:Thecomputerisinitiallyconnectedtopower.
On:Thecomputerison(innormalmode).
Blinksslowly:Thecomputerisinsleepmode.
Blinksfast:Thecomputerisenteringsleeporhibernationmode.
Off:Thecomputerisofforinhibernationmode.
6CapsLockindicatorOn:TheCapsLockmodeisenabled.Y oucantypeallalphabeticcharacters
(A-Z)inuppercasedirectly.
8acpower-statusindicator
Theacpower-statusindicatorshowstheacpowerchargingstatusofthe
computer.
•Green:Connectedtoacpower(charging80%–100%)
•Amber:Connectedtoacpower(charging1%–80%)
•Off:Notconnectedtoacpower(nocharging)
LocatingFRUsandCRUs
Thistopicintroducesthefollowingserviceparts:
•“MajorFRUs”onpage45
•“LCDFRUs”onpage47
•“MiscellaneouspartsandotherFRUs”onpage48
Notes:
•EachFRUisavailableforalltypesormodels,unlessotherwisespecified.
•FRUsmarkedwith
OPareavailableasoptions.
•CRUstatementforcustomers:
Youcanresolvesomeproblemswithyourproductwithareplacementpartyoucaninstallyourself,calleda
“CustomerReplaceableUnit”or“CRU.”SomeCRUsaredesignatedasself-serviceCRUsandothersare
designatedasoptional-serviceCRUs.Installationofself-serviceCRUsisyourresponsibility.Foroptional-service
CRUs,youcaneitherinstalltheCRUyourselforyoucanrequestthataServiceProviderinstalltheCRUaccording
tothewarrantyserviceforyourproduct.IfyouintendoninstallingtheCRU,LenovowillshiptheCRUtoyou.CRU
informationandreplacementinstructionsareshippedwithyourproductandareavailablefromLenovoatanytime
uponrequest.YoucanfindalistofCRUsforyourproductinthisHardwareMaintenanceManual.Anelectronic
versionofthismanualcanbefoundathttp://www.lenovo.com/support.Youmightberequiredtoreturnthe
defectivepartthatisreplacedbytheCRU.Whenreturnisrequired:(1)returninstructions,aprepaidshippinglabel,
andacontainerwillbeincludedwiththereplacementCRU;and(2)youmightbechargedforthereplacementCRU
ifLenovodoesnotreceivethedefectiveCRUwithinthirty(30)daysofyourreceiptofthereplacementCRU.See
yourLenovoLimitedWarrantydocumentationforfulldetails.
ThinkPadcomputerscontainthefollowingtypesofCRUs:
–Self-serviceCRUs:TheseCRUsunplugorareheldbynomorethantwoscrews.Examplesofthesetypes
ofCRUsincludetheacpoweradapter,powercord,andharddiskdrive.Otherself-serviceCRUsdepending
onproductdesignmightincludethememorymodule,wirelesscard,keyboard,andpalmrestwithfingerprint
readerandtouchpad.
–Optional-serviceCRUs:TheseCRUsareisolatedpartswithinthecomputerthatareconcealedbyanaccess
panelthatistypicallysecuredbymorethantwoscrews.Oncetheaccesspanelisremoved,thespecific
CRUisvisible.
44ThinkPadT460sHardwareMaintenanceManual