ThinkPad E550 - Chapter 3. General Checkout Procedures; Initial Steps Before Checkout

Chapter3.Generalcheckout
Thischapterpresentsfollowinginformation:
•“Whattodofirst”onpage29
•“Checkoutguide”onpage30
–“LenovoSolutionCenter”onpage30
–“Quicktestprograms”onpage30
–“UEFIdiagnosticprogram”onpage31
–“Bootablediagnosticprograms”onpage32
•“Powersystemcheckout”onpage33
Somedescriptionsinthischaptermightnotapplytoyourparticularcomputer.
Beforeyougotothecheckoutguide,besuretoreadthefollowingimportantnotes.
Importantnotes:
•Onlycertifiedtrainedpersonnelshouldservicethecomputer.
•BeforereplacinganyFRU,readtheentirepageonremovingandreplacingFRUs.
•WhenyoureplaceFRUs,itisrecommendedtousenewnylon-coatedscrews.
•Beextremelycarefulduringsuchwriteoperationsascopying,saving,orformatting.Drivesinthecomputer
thatyouareservicingsequencemighthavebeenaltered.Ifyouselectanincorrectdrive,dataorprograms
mightbeoverwritten.
•ReplaceaFRUonlywithanotherFRUofthecorrectmodel.WhenyoureplaceaFRU,ensurethatthemodelof
themachineandtheFRUpartnumberarecorrect.
•AFRUshouldnotbereplacedbecauseofasingle,unreproduciblefailure.Singlefailurescanoccurfora
varietyofreasonsthathavenothingtodowithahardwaredefect,suchascosmicradiation,ESD,orsoftware
errors.ConsiderreplacingaFRUonlywhenaproblemrecurs.IfyoususpectthataFRUisdefective,cleartheerror
logandrunthetestagain.Iftheerrordoesnotrecur,donotreplacetheFRU.
•BecarefulnottoreplaceanondefectiveFRU.
Whattodofirst
WhenyoureturnaFRU,youmustincludethefollowinginformationinthepartsexchangeformorparts
returnformthatyouattachtoit:
1.Nameandphonenumberofservicetechnician
2.Dateofservice
3.Dateonwhichthemachinefailed
4.Dateofpurchase
5.Failuresymptoms,errorcodesappearingonthedisplay,andbeepsymptoms
6.ProcedureindexandpagenumberinwhichthefailingFRUwasdetected
7.FailingFRUnameandpartnumber
8.Machinetype,modelnumber,andserialnumber
9.Customer'snameandaddress
Note:Duringthewarrantyperiod,thecustomermayberesponsibleforrepaircostsifthecomputerdamage
wascausedbymisuse,accident,modification,unsuitablephysicaloroperatingenvironment,orimproper
maintenancebythecustomer.Followingisalistofsomecommonitemsthatarenotcoveredunderwarranty
andsomesymptomsthatmightindicatethatthesystemwassubjecttostressbeyondnormaluse.
Beforecheckingproblemswiththecomputer,determinewhetherthedamageiscoveredunderthewarranty
byreferringtothefollowinglist:
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