About This Manual - Lenovo ThinkPad S431 Hardware Maintenance Manual

About this manual

This manual contains service and reference information for the following ThinkPad
ThinkPad S431
Machine Type (MT) 20AX and 20BA
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 ThinkPad products. Use
this manual along with the advanced diagnostic tests to troubleshoot problems effectively.
Before servicing a ThinkPad product, be sure to read all the information under Chapter 1 "Safety
information" on page 1 and Chapter 2 "Important service information" on page 21.
© Copyright Lenovo 2013
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