Acer Aspire 4220g Service Guide

Chapter 115
NOTE: When using the touchpad, keep it -  and your fingers - dry and clean. Th e touchpad is sensitive to finger 
movements; hence, the lighter the t ouch, the better the response. Tapping too hard will not increase the 
touchpad’s responsiveness.
FunctionLeft Button (1)Right Button (4)Main touchpad (2)Fingerprinter (3)
Execute Click twice quickly Tap twice (at the  same speed as 
double-clicking the 
mouse button)
Select Click once Tap once
Drag Click and hold, then  use finger on the...

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Using the Keyboard
The keyboard has full-sized keys and an embedded keypad, separate cursor keys, one Windows key and 
twelve function keys.
Lock Keys and embedded numeric keypad
The keyboard has three lock keys which you can toggle on and off.
The embedded numeric keypad functions like a desktop numeric keypad. It is indicated by small characters 
located on the upper right corner of the keycaps. To si mplify the keyboard legend, cursor-control key symbols 
are not printed on the keys....

Chapter 117
Hot Keys
The computer employs hotkeys or key combinations to access most of the computer’s controls like screen 
brightness, volume output, and the BIOS utility.
To activate hot keys, press and hold the < Fn> key before pressing the other key in the hotkey combination.
KeyIconDescription
Windows key Pressed alone, this key has the same effect as  clicking on the Windows Start button; it launches the 
Start menu. It can also be used with other keys to 
provide a variety of function:
   +...

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Special Key
You can locate the Euro symbol and US dollar sign at the upper-center of your keyboard.
To  t y p e :
The Euro symbol
1. Open a text editor or word processor.
2. Hold    and then press the   symbol at the upper-center of the keyboard.
NOTE:  Some fonts and software do not support the Euro symbol. Please refer to www.microsoft.com/
typography/f aq/faq12.htm for more information.
The US dollar sign
1.Open a text editor or word processor.
2. Hold    and then press the   key at the...

Chapter 119
Acer Empowering Technology
Acer’s innovative Empowering Technology makes it easy for you to access frequently used functions and 
manage your new Acer notebook. It f eatures the following handy utilities: 
TAcer eNet Management hooks up to location-based networks intelligently.
TAcer ePower Management  extends battery power via versatile usage profiles.
TAcer ePresentation Management  connects to a projector and adjusts display settings conveniently.
TAcer eDataSecurity Management  protects...

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Acer eNet Management can save network settings for a location to a profile, and automatically switch to the 
appropriate profile when you move from one location to  another. Settings stored include network connection 
settings (IP and DNS settings, wireless AP details , etc.), as well as default printer settings. 
Security and safety concerns mean that Acer eNet  Management does not store username and password 
information. 

Chapter 121
Acer ePower Management 
Acer ePower Management features a straightforward user interface. To launch it, select Acer ePower 
Management from the Empowe ring Technology interface.
AC Mode (Adapter mode)
The default setting is “Maximum Performance.” Yo u can adjust CPU speed, LCD brightness and other 
settings, or click on buttons to turn the following func tions on/off: Wireless LAN, Bluetooth, CardBus, FireWire 
(1394), Wired LAN and Optical Device if supported.
DC Mode (Battery mode)
There...

22Chapter 1
Battery status
For real-time battery life estimates based on current usage, refer to the time shown in the “Remaining Battery 
Life” field.
For additional power options, click “ More Power option”.
Acer ePresentation Management 
Acer ePresentation Management lets y ou project your computer’s display to an external device or project 
using the hot key: Fn + F5. If auto- detection hardware is implemented in  the system, your system display will 
be automatically switched out when an exter nal...

Chapter 123
Acer eDataSecurity Management 
Acer eDataSecurity Management is handy file encryption utility that protects your files from being accessed by 
unauthorized persons. It is convenientl y integrated with Windows explorer as a shell extension for quick and 
easy data encryption/decryption and also supports on-the- fly file encryption for MSN Messenger and Microsoft 
Outlook. 
The Acer eDataSecurity Management setup wizard will  prompt you for a supervisor password and default 
encryption. This...

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