Lenovo J SERIES 8257 - Manual (Page 7)

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 document, CRUs and FRUs will 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.
This guide contains instructions for replacing the following parts:
Note: Use only the parts provided by Lenovo ™ .
v Memory module
v PCI adapter card
v Keyboard
v Mouse
Safety information for replacing CRUs
Do not open your computer or attempt any repair before reading the “Important
safety information” in the Quick Reference that was included with your computer.
To obtain a copy of the Quick Reference go to the World Wide Web at
http://www.lenovo.com/support.
Safety information for replacing FRUs
Do not open your computer or attempt any repair before reading the “Important
safety information” in the Hardware Maintenance Manual (HMM) for the computer.
To obtain a copy of the HMM, go to the World Wide Web 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.
You can find the following information:
v CRU removal and installation instructions
v CRU removal and installation videos
v Publications
v Troubleshooting information
v Parts information
v Downloads and drivers
v Links to other useful sources of information
v Support phone list
To access this information, point your browser to http://www.lenovo.com/support
© Lenovo 2005. Portions © IBM Corp. 2005. v