Aboutthismanual
ThismanualcontainsserviceandreferenceinformationforthefollowingThinkPad®products.
ThinkPadX220Tabletand
X220iT ablet
MachineT ype4294,4296,4297,4298,4299,4300,and4301
Usethismanualalongwiththeadvanceddiagnostict eststotroubleshootproblems.
Important:
ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithThinkPadproducts.Usethis
manualalongwiththeadvanceddiagnosticteststotroubleshootproblemseffectively .
BeforeservicingaThinkPadproduct,besuretoreadalltheinformationunderChapter1“Safetyinformation”on
page1andChapter2“Importantserviceinformation”onpage23.
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