Aboutthismanual
ThismanualcontainsserviceandreferenceinformationforthefollowingThinkPad
®
product:
ThinkPadE550
Machinetype(MT)20DF(Tx)and20DG(Rx)
ThinkPadE555
Machinetype(MT)20DH
ThinkPadE550c
Machinetype(MT)20E0
Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootproblems.
Important:
ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithThinkPadproducts.Use
thismanualalongwiththeadvanceddiagnosticteststotroubleshootproblemseffectively.
BeforeservicingaThinkPadproduct,besuretoreadalltheinformationunderChapter1“Safety
information”onpage1
andChapter2“Importantserviceinformation”onpage25.
©CopyrightLenovo2014,2015
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