Lenovo ThinkPad E450 (English) Hardware Maintenance Manual - ThinkPad E450, E4 - Page 5

Aboutthismanual - 20dc

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About this manual This manual contains service and reference information for the following ThinkPad® products. ThinkPad E450 ThinkPad E455 ThinkPad E450c Machine type (MT) 20DC and 20DD Machine type (MT) 20DE Machine type (MT) 20EH 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 2014, 2015 iii

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Aboutthismanual
This manual contains service and reference information for the following ThinkPad
®
products.
ThinkPad E450
Machine type (MT) 20DC and 20DD
ThinkPad E455
Machine type (MT) 20DE
ThinkPad E450c
Machine type (MT) 20EH
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 2014, 2015
iii