System information

Chapter3.Generalcheckout

Thischapterpresentsfollowinginformation:

•“Whattodorst”onpage21

•“Checkoutguide”onpage22

–“DiagnosticsusingPC-DoctorforDOS”onpage22

–“Testingthecomputer”onpage23

–“DetectingsysteminformationwithPC-Doctor”onpage24

–“LenovoThinkVantageToolbox”onpage25

–“FRUtests”onpage25

•“Powersystemcheckout”onpage26

–“Checkingtheacadapter”onpage27

–“Checkingoperationalcharging”onpage27

–“Checkingthebatterypack”onpage27

–“Checkingthebackupbattery”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:

1.Nameandphonenumberofservicetechnician

2.Dateofservice

3.Dateonwhichthemachinefailed

4.Dateofpurchase

5.Failuresymptoms,errorcodesappearingonthedisplay,andbeepsymptoms

6.ProcedureindexandpagenumberinwhichthefailingFRUwasdetected

7.FailingFRUnameandpartnumber

8.Machinetype,modelnumber,andserialnumber

9.Customer'snameandaddress