About this manual
®
This manual provides service and reference information for ThinkCentre
computers listed on the front cover.
Use this manual along with the advanced diagnostic tests to troubleshoot problems.
Important: This manual is intended only for trained service technicians who are familiar with ThinkCentre
computers. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.
Before servicing a ThinkCentre computer, be sure to read and understand "Read this first: Important safety
information" on page v.
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