ThinkPad Edge E540 - Chapter 2: Important Service Information; FRU Replacement Strategies and Identification

Chapter2.Importantserviceinformation
Thischapterintroducesthefollowingimportantserviceinformationthatappliestoallmachinetypes
supportedbythismanual:
•“StrategyforreplacingFRUs”onpage23
–“Strategyforreplacingaharddiskdriveorasolid-statedrive”onpage24
–“Importantnoticeforreplacingasystemboard”onpage24
–“Howtouseerrorcodes”onpage24
•“StrategyforreplacingFRUsforCTO,special-bid,andstandardmodels”onpage24
–“Productdenition”onpage24
–“FRUidentication”onpage25
Important:
•IfthecomputerisequippedwithbothaharddiskdriveandanM.2solid-statedrive,donotusetheM.2
solid-statedriveasabootabledevice.TheM.2solid-statedriveisdesignedanddevelopedfor“cache”
functionpurposeonly.
•AdvisecustomerstocontacttheLenovo
®
CustomerSupportCenteriftheyneedanyassistancein
obtainingorinstallinganysoftwarexes,drivers,andUEFIBIOSdownloads.Telephonenumbersfor
LenovoSupportareavailableat:
http://www.lenovo.com/support/phone
•SystemdisassemblyandreassemblyvideosthatshowtheFRUremovalorreplacementproceduresfor
theLenovoauthorizedservicetechniciansareavailableat:
http://www.lenovoservicetraining.com/ion/
StrategyforreplacingFRUs
Beforereplacingparts:
Ensurethatallsoftwarexes,drivers,andUEFIBIOSdownloadsareinstalledbeforeyoureplaceany
FRUslistedinthismanual.
Afterasystemboardisreplaced,ensurethatthelatestUEFIBIOSisloadedtothesystemboardbeforeyou
completetheserviceaction.
Todownloadandinstallsoftwarexes,drivers,andUEFIBIOS,gotohttp://www.lenovo.com/ThinkPadDrivers
andfollowtheinstructionsonthescreen.
UsethefollowingstrategytopreventunnecessaryexpenseforreplacingandservicingFRUs:
•IfyouareinstructedtoreplaceaFRUbutthereplacementdoesnotcorrecttheproblem,reinstallthe
originalFRUbeforeyoucontinue.
•Somecomputershavebothaprocessorboardandasystemboard.Ifyouareinstructedtoreplaceeither
theprocessorboardorthesystemboard,andreplacingoneofthemdoesnotcorrecttheproblem,
reinstallthatboard,andthenreplacetheotherone.
•IfanadapteroradeviceconsistsofmorethanoneFRU,anyoftheFRUsmightbethecauseoftheerror.
Beforereplacingtheadapterordevice,removetheFRUs,onebyone,toseeifthesymptomschange.
ReplaceonlytheFRUthatchangedthesymptoms.
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