Lenovo E40-70 Notebook - Manual (Page 5)

About this manual
This manual contains service and reference information for the following Lenovo ® products.
Lenovo E40–30 and Zhao
YangE40–30 Machine Type (MT) 20379 and 80EN
Lenovo E40–70 and Zhao Yang
E40–70 Machine Type (MT) 20380 and 80EQ
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 Lenovo
products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.
Before servicing a Lenovo 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 iii