Aboutthismanual
ThismanualprovidesserviceandreferenceinformationforthefollowingLenovo
®
products.
Machine
Machinetype(MT)
LenovoB575e3685,20189
Usethismanualtotroubleshootproblems.
Themanualisdividedintothefollowingsections:
•Thecommonsectionsprovidegeneralinformation,guidelines,andsafetyinformationrequiredfor
servicingcomputers.
•Theproduct-specicsectionsincludeservice,reference,andproduct-specicpartsinformation.
Important:
•ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithLenovoproducts.Use
thismanualtotroubleshootproblemseffectively.
•BeforeservicingaLenovoproduct,besuretoreadalltheinformationunderChapter1“Safety
information”onpage1
andChapter2“Importantserviceinformation”onpage27.
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