Overview - Lenovo K100 Hardware Replacement Manual

Overview

This guide is intended to be used by customers who are replacing Customer Replaceable Units (CRUs) as well
as trained service personnel who are replacing Field Replaceable Units (FRUs). In this guide, CRUs and FRUs
will often be referred to as parts.
Note
Trained service personnel should refer to the Hardware Maintenance Manual (HMM) for parts ordering
information.
This guide does not include procedures for all parts. It is expected that cables, switches, and certain
mechanical parts can be replaced by trained service personnel without the need for step-by-step procedures.
Note
Use only parts provided by Lenovo™.
The description of the TV card in this manual is only used for the machines which have the TV card. It is invalid
for those machines which do not have TV card.
This guide contains procedures for replacing the following parts:
• Power supply
• Memory modules
• Adapter
• Hard disk drive
• Optical drive
• System fan assembly
• Keyboard
• Mouse
• External Speakers
Safety information for replacing CRUs
Do not open your computer or attempt any repair before reading the "Important safety information" in the Safety
and Warranty Guide that was included with your computer. If you no longer have this copy of the Safety and
Warranty Guide, you can obtain one online from the Support Web site at http://www.lenovo.com/support.
Additional information resources
If you have Internet access, the most up-to-date information for your computer is available from the World Wide
Web.
31031416 Greenland HRG_EN.indd 1
Hardware Replacement Guide
2007.8.20 4:05:34 PM
1