User's Manual

Chapter3.Generalcheckout

Thischapterpresentsfollowinginformation:

•Whattodorst

•Checkoutguide

–DiagnosticsusingPC-DoctorforDOS

–LenovoThinkVantageToolbox

–FRUtests

•Powersystemcheckout

ThedescriptionsinthischapterapplytoanyThinkPadmodelthatsupportsthePC-Doctor®forDOS

diagnosticsprogram.Somedescriptionsmightnotapplytoyourparticularcomputer.

Beforeyougotothecheckoutguide,besuretoreadthefollowingimportantnotes.

Important:

•Onlycertiedtrainedpersonnelshouldservicethecomputer.

•BeforereplacinganyFRU,readtheentirepageonremovingandreplacingFRUs.

•WhenyoureplaceFRUs,usenewnylon-coatedscrews.

•Beextremelycarefulduringsuchwriteoperationsascopying,saving,orformatting.Drivesinthe

computerthatyouareservicingsequencemighthavebeenaltered.Ifyouselectanincorrectdrive,

dataorprogramsmightbeoverwritten.

•ReplaceaFRUonlywithanotherFRUofthecorrectmodel.WhenyoureplaceaFRU,makesurethat

themodelofthemachineandtheFRUpartnumberarecorrectbyreferringtotheFRUpartslist.

•AFRUshouldnotbereplacedbecauseofasingle,unreproduciblefailure.Singlefailurescanoccur

foravarietyofreasonsthathavenothingtodowithahardwaredefect,suchascosmicradiation,

electrostaticdischarge,orsoftwareerrors.ConsiderreplacingaFRUonlywhenaproblemrecurs.Ifyou

suspectthataFRUisdefective,cleartheerrorlogandrunthetestagain.Iftheerrordoesnotrecur,do

notreplacetheFRU.

•BecarefulnottoreplaceanondefectiveFRU.

Whattodorst

WhenyoudoreturnaFRU,youmustincludethefollowinginformationinthepartsexchangeformor

partsreturnformthatyouattachtoit:

•Nameandphonenumberofservicetechnician

•Dateofservice

•Dateonwhichthemachinefailed

•Dateofpurchase

•Failuresymptoms,errorcodesappearingonthedisplay,andbeepsymptoms

•ProcedureindexandpagenumberinwhichthefailingFRUwasdetected

•FailingFRUnameandpartnumber

•Machinetype,modelnumber,andserialnumber

•Customer'snameandaddress

Noteforwarranty:Duringthewarrantyperiod,thecustomermayberesponsibleforrepaircostsifthe

computerdamagewascausedbymisuse,accident,modication,unsuitablephysicaloroperating

environment,orimpropermaintenancebythecustomer.Followingisalistofsomecommonitemsthat

arenotcoveredunderwarrantyandsomesymptomsthatmightindicatethatthesystemwassubjected

tostressbeyondnormaluse.