Owner's manual

Aboutthismanual

ThismanualprovidesserviceandreferenceinformationforthefollowingLenovo

products.

Machine

Machinetype(MT)

LenovoB4804359,20140

Usethismanualtotroubleshootproblems.

Themanualisdividedintothefollowingsections:

•Thecommonsectionsprovidegeneralinformation,guidelines,andsafetyinformationrequiredfor

servicingcomputers.

•Theproduct-specicsectionincludesservice,reference,andproduct-specicpartsinformation.

Important:

•ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithLenovoproducts.Use

thismanualtotroubleshootproblemseffectively.

•BeforeservicingaLenovoproduct,besuretoreadalltheinformationunderChapter1“Safety

information”onpage1

andChapter2“Importantserviceinformation”onpage27.

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