IdeaPad 3 (14", 05), IdeaPad 3 (15", 05), and IdeaPad 3 (17", 05) Hardware Maintenance Manual

First Edition (February 2020)

© Copyright Lenovo 2020.

Contents

Table Caption: This table appears to be a table of contents for a technical manual, listing chapters, sections, and their corresponding page numbers across multiple columns which seem to be duplicates or represent different views of the same content.

Table Caption: This table outlines the disassembly steps for various computer components, with specific instructions and page numbers provided for 14-inch, 15-inch, and 17-inch models.

About this manual

This manual contains service and reference information for the following Lenovo products.

Table Caption: This table lists various Lenovo IdeaPad Slim 3 laptop models and their corresponding Machine Types (MT) identifiers.

Important:

• This manual is intended only for trained service technicians who are familiar with Lenovo products.
• Before servicing a Lenovo product, be sure to read all the information under Chapter 1 'Safety information' on page 1.

Chapter 1. Safety information

This chapter presents the following safety information that you need to be familiar with before you service a Lenovo notebook computer.

General safety

Follow these rules to ensure general safety:

• Observe good housekeeping in the area of the machines during and after maintenance.
• When lifting any heavy object:

1. Make sure that you can stand safely without slipping.
2. Distribute the weight of the object equally between your feet.
3. Use a slow lifting force. Never move suddenly or twist when you attempt to lift.
4. Lift by standing or by pushing up with your leg muscles; this action removes the strain from the muscles in your back. Do not attempt to lift any object that weighs more than 16 kg (35 lb) or that you think is too heavy for you.

• Do not perform any action that causes hazards to the customer, or that makes the equipment unsafe.
• Before you start the machine, make sure that other service technicians and the customer's personnel are not in a hazardous position.
• Place removed covers and other parts in a safe place, away from all personnel, while you are servicing the machine.
• Keep your tool case away from walk areas so that other people will not trip over it.
• Do not wear loose clothing that can be trapped in the moving parts of a machine. Make sure that your sleeves are fastened or rolled up above your elbows. If your hair is