Specifications

iv
Thismanualcontainsserviceandreferenceinformationforthefollowing
Lenovoproduct:
Lenovo B50-30/B50-30 Touch/B50-45/B50-70
Usethismanualtotroubleshootproblems.
Themanualisdividedintothefollowingsections:
• Thecommonsectionsprovidegeneralinformation,guidelines,andsafety
informationrequiredforservicingcomputers.
• Theproduct‐specificsectionincludesservice,reference,andproduct‐specific
partsinformation.
About this manual
Important:
Thismanualisintendedonlyfortrainedservicerswhoarefamiliarwith
Lenovoproducts.Usethismanualtotroubleshootproblemseffectively.
BeforeservicingaLenovoproduct,makesuretoreadalltheinformation
under“Safetyinformation”onpage1and“Importantserviceinformation”
onpage16.