About this manual
This manual contains service and reference information for the following ThinkPad
®
product:
ThinkPad E590
Machine types (MT) 20NB and 20NC
ThinkPad R590
Machine type (MT) 20ND
ThinkPad E595
Machine type (MT) 20NF
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 2018, 2019 iii
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