About This Manual - Lenovo ThinkPad T550 Hardware Maintenance Manual

About this manual

This manual contains service and reference information for the following ThinkPad
ThinkPad T550
ThinkPad W550s
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 19.
© Copyright Lenovo 2015
Machine types (MT): 20CJ and 20CK
MT: 20E1 and 20E2
®
products.
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