Laptop User Manual

Chapter3.Generalcheckout

Thischapterpresentsfollowinginformation:

•“Whattodorst”onpage23

•“Checkoutguide”onpage24

–“DiagnosticsusingPC-DoctorforDOS”onpage24

–“LenovoThinkVantageToolbox”onpage27

–“FRUtests”onpage27

•“Powersystemcheckout”onpage28

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

Note:Duringthewarrantyperiod,thecustomermayberesponsibleforrepaircostsifthecomputerdamage

wascausedbymisuse,accident,modication,unsuitablephysicaloroperatingenvironment,orimproper

maintenancebythecustomer.Followingisalistofsomecommonitemsthatarenotcoveredunderwarranty

andsomesymptomsthatmightindicatethatthesystemwassubjectedtostressbeyondnormaluse.