Service manual

Introduction
Overview 1 - 1
1.Introduction
Chapter 1: Introduction
Overview
This manual covers the information you need to service or upgrade the E4120 / E4121-C / E4125-C / E4121D-C series
notebook computer. Information about operating the computer (e.g. getting started, and the Setup utility) is in the User’s
Manual. Information about drivers (e.g. VGA & audio) is also found in User’s Manual. That manual is shipped with the
computer.
Operating systems (e.g. Windows 7, Windows Vista, etc.) have their own manuals as do application software (e.g. word
processing and database programs). If you have questions about those programs, you should consult those manuals.
The E4120 / E4121-C / E4125-C / E4121D-C series notebook is designed to be upgradeable. See Disassembly on page 2
- 1 for a detailed description of the upgrade procedures for each specific component. Please note the warning and safety
information indicated by the “

” symbol.
The balance of this chapter reviews the computer’s technical specifications and features.