User's Guide

Table Of Contents

About this documentation

• Illustrations in this documentation might look different from your product.

• Depending on the model, some optional accessories, features, and software programs might not be

available on your computer.

• Depending on the version of operating systems, some user interface instructions might not be applicable

to your computer.

• Documentation content is subject to change without notice. Lenovo makes constant improvements on the

documentation of your computer, including this User Guide. To get the latest documentation, go to

https://

support.lenovo.com

For customers living in mainland China, go to

https://newsupport.lenovo.com.cn/.

• Microsoft

makes periodic feature changes to the Windows

operating system through Windows Update.

As a result, some information in this documentation might become outdated. Refer to Microsoft resources

for the latest information.

• This documentation applies to the following product models:

Model name

Machine Type (MT)

Lenovo IdeaPad S540-13IML

81XA

Lenovo IdeaPad S540-13API 81XC

Lenovo IdeaPad S540-13ARE

82DL