Lenovo ThinkPad Edge E525 Hardware Maintenance Manual

Chapter2.Importantserviceinformation
Thischapterpresentsfollowingimportantserviceinformationthatappliestoallmachinetypessupportedby
thismanual:
•“StrategyforreplacingFRUs”onpage27
–“Strategyforreplacingaharddiskdrive”onpage28
–“Importantnoticeforreplacingasystemboard”onpage28
–“Howtouseerrormessage”onpage28
•“StrategyforreplacingFRUsforCTO,CMV,andGAV”onpage28
–“Productdenition”onpage28
–“FRUidenticationforCTO,CMV,andGAVproducts”onpage29
Important:
•AdvisecustomerstocontacttheLenovoCustomerSupportCenteriftheyneedanyassistancein
obtainingorinstallinganysoftwarexes,drivers,andUEFIBIOSdownloads.Telephonenumbersfor
LenovoSupportareavailableat:
http://www.lenovo.com/support/phone
•SystemDisassembly/ReassemblyvideosthatshowtheFRUremovalsorreplacements
fortheLenovo
®
authorizedservicetechniciansareavailableinthefollowingsupportsite:
http://www.lenovoservicetraining.com/ion/
StrategyforreplacingFRUs
Beforereplacingparts:
Makesurethatallsoftwarexes,drivers,andUEFIBIOSdownloadsareinstalledbeforereplacingany
FRUslistedinthismanual.
Afterasystemboardisreplaced,ensurethatthelatestUEFIBIOSisloadedtothesystemboardbefore
completingtheserviceaction.
Todownloadsoftwarexes,drivers,andUEFIBIOS,doasfollows:
1.Gotohttp://www.lenovo.com/support.
2.EntertheproductnumberofthecomputerorpressRunAuto-detectbuttononthescreen.
3.SelectDrivers&Software.
4.Followthedirectionsonthescreenandinstallthenecessarysoftware.
UsethefollowingstrategytopreventunnecessaryexpenseforreplacingandservicingFRUs:
•IfyouareinstructedtoreplaceaFRUbutthereplacementdoesnotcorrecttheproblem,reinstall
theoriginalFRUbeforeyoucontinue.
•Somecomputershavebothaprocessorboardandasystemboard.Ifyouareinstructedtoreplaceeither
theprocessorboardorthesystemboard,andreplacingoneofthemdoesnotcorrecttheproblem,
reinstallthatboard,andthenreplacetheotherone.
•IfanadapteroradeviceconsistsofmorethanoneFRU,anyoftheFRUsmaybethecauseoftheerror.
Beforereplacingtheadapterordevice,removetheFRUs,onebyone,toseeifthesymptomschange.
ReplaceonlytheFRUthatchangedthesymptoms.
©CopyrightLenovo2012
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Lenovo ThinkPad Edge E525 Specifications

General

Brand	Lenovo
Model	ThinkPad Edge E525
Category	Laptop
Language	English