Table of Contents
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About this manual
This manual contains service and reference information for the following ThinkPad
ThinkPad E14 Gen 3
ThinkPad E15 Gen 3
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 2021
Machine types (MT)
20Y7, 20YD, 20YE, and 20YF
Machine types (MT)
20YG, 20YH, 20YJ, and 20YK
®
products.
iii
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